diff --git a/elements/06renvoi/01previous_folio.elmt b/elements/06renvoi/01previous_folio.elmt
index f83b4d80f..59d390b03 100644
--- a/elements/06renvoi/01previous_folio.elmt
+++ b/elements/06renvoi/01previous_folio.elmt
@@ -11,7 +11,8 @@ link_type="previous_report">
         <name lang="es">folio anterior</name>
         <name lang="cs">Předchozí list</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-1" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" closed="false" y1="-4" x1="-1" y2="4" x2="-1" y3="0" x3="9" y4="-4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="9" y2="0" x2="12"/>
diff --git a/elements/06renvoi/02next_folio.elmt b/elements/06renvoi/02next_folio.elmt
index cdc49ee63..eec596198 100644
--- a/elements/06renvoi/02next_folio.elmt
+++ b/elements/06renvoi/02next_folio.elmt
@@ -11,7 +11,8 @@ link_type="next_report">
         <name lang="es">Folio siguiente</name>
         <name lang="cs">Další list</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-9" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" closed="false" y1="-4" x1="-9" y2="4" x2="-9" y3="0" x3="2" y4="-4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-9" y2="0" x2="-12"/>
diff --git a/elements/15mecanique/hydraulique/baches_hydrauliques/bache_a_l_air_libre.elmt b/elements/15mecanique/hydraulique/baches_hydrauliques/bache_a_l_air_libre.elmt
index 6965baa0e..3ebd505e3 100644
--- a/elements/15mecanique/hydraulique/baches_hydrauliques/bache_a_l_air_libre.elmt
+++ b/elements/15mecanique/hydraulique/baches_hydrauliques/bache_a_l_air_libre.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Zbiornik otwarty</name>
         <name lang="cs">Otevřená nádrž</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="0" y2="-10" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="13.3682" x1="13.9219" y2="0.0791" x2="13.9219"/>
diff --git a/elements/15mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt b/elements/15mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt
index 648da2e21..8344c70bb 100644
--- a/elements/15mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt
+++ b/elements/15mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt
@@ -9,7 +9,8 @@ accumulator
         <name lang="ar">مُراكم هيدروليكي</name>
         <name lang="it">Accumulatore idraulico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-12" y2="0" x2="12"/>
         <polygon x4="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="0" y2="-5" x2="-5" y3="-5" x3="5" y4="0"/>
diff --git a/elements/15mecanique/hydraulique/clapets_anti-retour/clapet_simple.elmt b/elements/15mecanique/hydraulique/clapets_anti-retour/clapet_simple.elmt
index f1c11ae8f..edcdb2f85 100644
--- a/elements/15mecanique/hydraulique/clapets_anti-retour/clapet_simple.elmt
+++ b/elements/15mecanique/hydraulique/clapets_anti-retour/clapet_simple.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Zawór zwrotny</name>
         <name lang="cs">Pojistný ventil</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0.0444" x1="-9.3883" y2="0.0444" x2="-14.5052"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-0.0791" x1="9.4773" y2="-9.3339" x2="0.2224"/>
diff --git a/elements/15mecanique/hydraulique/distributeurs/2-2/distributeur_2-2.elmt b/elements/15mecanique/hydraulique/distributeurs/2-2/distributeur_2-2.elmt
index a617e18ef..f682843fe 100644
--- a/elements/15mecanique/hydraulique/distributeurs/2-2/distributeur_2-2.elmt
+++ b/elements/15mecanique/hydraulique/distributeurs/2-2/distributeur_2-2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مّوزّع عاديّا مفتوح 2-2</name>
         <name lang="it">Valvola di controllo NO 2-2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="14.6836" x1="10" y2="-15.3164" x2="10"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5.8007" x1="26.6836" y2="4.8515" x2="30.5859"/>
diff --git a/elements/15mecanique/hydraulique/distributeurs/3-2/distributeur_3-2.elmt b/elements/15mecanique/hydraulique/distributeurs/3-2/distributeur_3-2.elmt
index ed4c468fb..97882a8a1 100644
--- a/elements/15mecanique/hydraulique/distributeurs/3-2/distributeur_3-2.elmt
+++ b/elements/15mecanique/hydraulique/distributeurs/3-2/distributeur_3-2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">موزع 2/3</name>
         <name lang="it">Valvola di controllo 3-2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <text x="21.3784" y="16.7653" size="6" text="t"/>
         <polygon x4="-15" y5="-10" x5="-15" y6="-10.5" x6="-15" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-15" y2="-10" x2="25" y3="10" x3="25" y4="10"/>
diff --git a/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ferme.elmt b/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ferme.elmt
index 6e6011b60..6f351e1ed 100644
--- a/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ferme.elmt
+++ b/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ferme.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزع مركز مغلق 2-4</name>
         <name lang="it">Valvola di controllo chiusa 4-2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-30" y5="-5.3164" x5="-15" y6="-5.3164" x6="-15" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-5.3164" x1="-15" y2="4.6835" x2="-15" y3="4.6835" x3="-30" y4="-5.3164"/>
         <polygon x4="-15" y5="-10" x5="-15" y6="-10.5" x6="-15" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-15" y2="-10" x2="25" y3="10" x3="25" y4="10"/>
diff --git a/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ouvert.elmt b/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ouvert.elmt
index 0a4b1cb3d..c91a598d7 100644
--- a/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ouvert.elmt
+++ b/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2-centre_ouvert.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">موزّع مركز مفتوح 2-4</name>
         <name lang="it">Valvola di controllo aperta 4-2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-29.9829" y5="-5.4489" x5="-14.9829" y6="-5.4489" x6="-14.9829" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-5.4489" x1="-14.9829" y2="4.5510" x2="-14.9829" y3="4.5510" x3="-29.9829" y4="-5.4489"/>
         <circle x="19.2171" y="-0.9325" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="1.6"/>
diff --git a/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2.elmt b/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2.elmt
index 7c4a5be9a..69b7b4651 100644
--- a/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2.elmt
+++ b/elements/15mecanique/hydraulique/distributeurs/4-2/distributeur_4-2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">موزّع 2-4</name>
         <name lang="it">Valvola di controllo 4-2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-15" y5="-10" x5="-15" y6="-10.5" x6="-15" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-15" y2="-10" x2="25" y3="10" x3="25" y4="10"/>
         <polygon x4="-30" y5="-5.3164" x5="-15" y6="-5.3164" x6="-15" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-5.3164" x1="-15" y2="4.6835" x2="-15" y3="4.6835" x3="-30" y4="-5.3164"/>
diff --git a/elements/15mecanique/hydraulique/echangeurs/echangeur_eau-huile.elmt b/elements/15mecanique/hydraulique/echangeurs/echangeur_eau-huile.elmt
index bafe3a357..137dc7720 100644
--- a/elements/15mecanique/hydraulique/echangeurs/echangeur_eau-huile.elmt
+++ b/elements/15mecanique/hydraulique/echangeurs/echangeur_eau-huile.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Wodno-olejowy wymiennik ciepła</name>
         <name lang="cs">Výměník voda olej</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="30.0652" x1="0.8679" y2="30.0652" x2="25.6179"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-29.9817" x1="-0.5185" y2="-29.9817" x2="-25.1279"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_fermee.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_fermee.elmt
index 29f6a3974..c09ac0899 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_fermee.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_fermee.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 otvory zavřené</name>
         <name lang="it">2 porte chiuse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-14.95" x1="18.05" y2="-14.95" x2="22.05"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_p_vers_a.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_p_vers_a.elmt
index 5fc493715..960d4aed4 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_p_vers_a.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_non_relies/1_voie_p_vers_a.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 otvory otevřené usměrněné</name>
         <name lang="it">2 porte aperte</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10.075" x1="19.95" y2="-14.925" x2="19.95"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_fermee.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_fermee.elmt
index c8b19c9f4..cb0df9435 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_fermee.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_fermee.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">فوهات مفصولة 2</name>
         <name lang="it">2 porte chiuse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="10" y="-25.5" size="5" rotate="true" text="a"/>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt
index 003a53667..d19110fc8 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/deux_voies_relies/1_voie_p_vers_a.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">فوهات موصولة 2</name>
         <name lang="it">2 porte aperte</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="10" y="-25.5" size="5" rotate="true" text="a"/>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton.elmt
index ed979a95d..8807b942e 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">زرّ</name>
         <name lang="it">Pulsante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-13" y2="0" x2="5"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="6" x1="-13" y2="6" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_de_presse.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_de_presse.elmt
index ff2f465ca..67a48cba7 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_de_presse.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_de_presse.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">زرّ ضغط</name>
         <name lang="it">Premere il pulsante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-13" y2="0" x2="5"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="6" x1="-13" y2="6" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_deux_voies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_deux_voies.elmt
index 3dec7d59f..baea1ade9 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_deux_voies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_deux_voies.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">زرّ بمسارين</name>
         <name lang="it">Pulsante due vie</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <ellipse width="6" x="-16" y="-3" antialias="true" height="12" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-3" x1="-13" y2="9" x2="-13"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_tirage.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_tirage.elmt
index f5841b703..78c387645 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_tirage.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/bouton_tirage.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">زرّ سحب</name>
         <name lang="it">Pulsante a tirante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="6" x="-16" y="-3" antialias="true" height="12" style="line-style:normal;line-weight:normal;filling:none;color:black" start="90" angle="-180"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-3" x1="-13" y2="9" x2="-13"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_deux.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_deux.elmt
index 1b8075170..514f9d224 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_deux.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_deux.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">تحكم كهربائي (ملفين)</name>
         <name lang="it">Doppio comando elettrico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="-25" y="0" antialias="false" height="10" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-8" y2="10" x2="2"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_droite.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_droite.elmt
index 84f7cb542..cbfa363b7 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_droite.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_droite.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">تحكم كهربائي يمين</name>
         <name lang="it">Comando elettrico Dx</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10" y2="10" x2="0"/>
         <rect width="20" x="-15" y="0" antialias="false" height="10" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_gauche.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_gauche.elmt
index 4a0fb0276..889134005 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_gauche.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_electrique_gauche.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">تحكم كهربائي يسار</name>
         <name lang="it">Comando elettrico Sx</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="-10" y2="0" x2="0"/>
         <rect width="20" x="-15" y="0" antialias="false" height="10" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_piezoelectrique.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_piezoelectrique.elmt
index acc4be6eb..a09495fba 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_piezoelectrique.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/commande_piezoelectrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">انضغاط كهربائي</name>
         <name lang="it">Comando piezoelettrico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="20" x="-15" y="0" antialias="false" height="10" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="8" x1="-12" y2="8" x2="2"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/levier.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/levier.elmt
index 0ce1d1032..e0646c208 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/levier.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/levier.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Dźwignia</name>
         <name lang="cs">Páka</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-16" y="-9" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-13" y2="0" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/moteur_electrique.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/moteur_electrique.elmt
index 9928a59a7..748e44275 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/moteur_electrique.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/moteur_electrique.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Silnik elektryczny</name>
         <name lang="cs">Elektrický motor</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-6" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="8" x1="-6" y2="5" x2="-3" y3="11" x3="0" y4="8"/>
         <text x="-28" y="1" size="9" text="M"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_1.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_1.elmt
index a5319de7e..7e95768d4 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_1.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Pedał</name>
         <name lang="cs">Pedál</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-7" y2="0" x2="5"/>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-9" x1="-6" y2="-5" x2="-2" y3="10" x3="-17"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_2.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_2.elmt
index e4e41e1b6..f3b25c141 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_2.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pedale_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">دوّاسة بمسارين</name>
         <name lang="it">Doppio pedale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-6" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="6" x1="-21" y2="10" x2="-17" y3="-5" x3="-2" y4="-9"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-7" y2="0" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir.elmt
index 7400debd4..72a9cf7bf 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">ضاغط</name>
         <name lang="it">Pulsante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-13" y2="0" x2="5"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="6" x1="-13" y2="6" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir_reglable.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir_reglable.elmt
index 09e0708e1..d1f53c35e 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir_reglable.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/poussoir_reglable.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">ضاغط بطول قابل للتعديل</name>
         <name lang="it">Pulsante regolabile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-4" x1="0" y2="12" x2="-15"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-13" y2="0" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_air.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_air.elmt
index 04e291253..a4579ddc2 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_air.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_air.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">تحكّم ضغط هوائي</name>
         <name lang="it">Comando a pressione d'aria</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-8" y2="5" x2="-3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-16" y2="5" x2="-11"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_augmentation.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_augmentation.elmt
index 00f5d1be5..1c8cff4bf 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_augmentation.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_augmentation.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">رفع ضغط الهواء</name>
         <name lang="it">Aumento di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-4" y2="5" x2="-3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-16" y2="5" x2="-14"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_chute.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_chute.elmt
index fca1b0342..79451d808 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_chute.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/pression_chute.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">تحكم هبوط ضغط الهواء</name>
         <name lang="it">Riduzione di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-4" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="-4" y2="10" x2="-4" y3="5" x3="-14" y4="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-4" y2="5" x2="-3"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_droite.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_droite.elmt
index 578a5520f..d4a280abd 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_droite.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_droite.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Sprężyna (strona prawa)</name>
         <name lang="cs">Pružina (pravá strana)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="1" y5="9" x5="3" y6="1" x6="5" y7="6" x7="7" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="6" x1="-5" y2="1" x2="-3" y3="9" x3="-1" y4="1"/>
     </description>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_gauche.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_gauche.elmt
index 9be84ab31..71b2db408 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_gauche.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/ressort_gauche.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Sprężyna (strona lewa)</name>
         <name lang="cs">Pružina (levá strana)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="9" y5="9" x5="11" y6="1" x6="13" y7="6" x7="15" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="6" x1="3" y2="1" x2="5" y3="9" x3="7" y4="1"/>
     </description>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau.elmt
index c8a254260..8cce9c6c8 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Rolka</name>
         <name lang="cs">Kolečko</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-9.5" y="1.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="1"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-6" y2="0" x2="5"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau_1.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau_1.elmt
index 843708061..e33e7e988 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau_1.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/rouleau_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة لفّ أحادية الاتجاه</name>
         <name lang="it">Rullo unidirezionale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="3" x1="-12" y2="10" x2="-16"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-8" y2="12" x2="-12"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-2.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-2.elmt
index 2cd893ae3..d0a9ff9dd 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-2.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام محكوم 4-2</name>
         <name lang="it">Servo-valvola 4-2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="60" y2="20" x2="60"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="40" y2="10" x2="40"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-3.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-3.elmt
index 80830262c..7b68ed210 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-3.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/mode_de_commande/symb_sv_4-3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام محكوم 4-3</name>
         <name lang="it">Servo-valvola 4-3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="0" y2="20" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="-10" y2="20" x2="-10"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_a-b-t_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_a-b-t_relies.elmt
index 2ad8717a8..d9b2f00e9 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_a-b-t_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_a-b-t_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - A-B-T spojené</name>
         <name lang="it">2 porte - A-B-T connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-6" x1="0" y2="-20" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-2" y2="5" x2="2"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_b-t_fermes.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_b-t_fermes.elmt
index 88ae8e80c..87981176e 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_b-t_fermes.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_b-t_fermes.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - B-T zavřené</name>
         <name lang="it">2 porte - B-T chiuse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="27.975" y2="-15" x2="31.975"/>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt
index 3ae342bed..7bf8d20a3 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_croisees.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty překřížené</name>
         <name lang="it">2 porte incrociate</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <polygon x4="29.85" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="10" x1="29.85" y2="6" x2="24.85" y3="4" x3="27.85" y4="10"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-b_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-b_relies.elmt
index 45bfbb429..c39876a68 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-b_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-b_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - P-A-B spojené</name>
         <name lang="it">2 porte - P-A-B connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="20" y2="-20" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="20" y2="10" x2="20"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-t_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-t_relies.elmt
index 38611423b..92477be9e 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-t_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a-t_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - P-A-T spojené</name>
         <name lang="it">2 porte - P-A-T connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="0" y2="10" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="20" y2="10" x2="20"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt
index 1662e1bc8..71cb5e272 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-a_fermes.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - P-A zavřené</name>
         <name lang="it">2 porte - P-A chiuse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="6" x1="30" y2="-20" x2="30"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-b_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-b_relies.elmt
index 4a8fa7866..d8bf6fabd 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-b_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-b_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - P -&gt; B spojené</name>
         <name lang="it">2 porte - P -&gt; B connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="10" y2="-15" x2="10"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10.1" x1="9.85" y2="-16.9" x2="27.85"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-t_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-t_relies.elmt
index 9b0367f87..a89b5212e 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-t_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_p-t_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty - P -&gt; T spojené</name>
         <name lang="it">2 porte - P -&gt; T connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="30" y2="10" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="10" y2="10" x2="10"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_parallele.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_parallele.elmt
index ca38b4e65..f8440a823 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_parallele.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/2_voies_parallele.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">2 cesty souběžné</name>
         <name lang="it">2 porte parallele</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="10" y2="-15" x2="10"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ferme.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ferme.elmt
index 4d85b5cfd..112894180 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ferme.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ferme.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">4 otvory - zavřené</name>
         <name lang="it">4 fori - chiusi</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="30" y2="-15" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="10" y2="-15" x2="10"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ouvert.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ouvert.elmt
index 1b8417d51..21d54c07b 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ouvert.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_non_relies/4-2-centre_ouvert.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">4 otvory - ve středu otevřené</name>
         <name lang="it">4 fori - centro aperto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="10" y2="-5" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="10" y2="10" x2="10"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_a-b-t_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_a-b-t_relies.elmt
index 86988879d..2b858ab38 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_a-b-t_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_a-b-t_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات -A-B-T مُتّصلة 2</name>
         <name lang="it">2 porte - A-B-T connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="0" y2="-5" x2="20"/>
         <rect width="30" x="-5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_b-t_fermes.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_b-t_fermes.elmt
index 25519ab91..b55971b63 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_b-t_fermes.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_b-t_fermes.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات -B-T مُغلقة 2</name>
         <name lang="it">2 porte - B-T chiuse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="0" y2="20" x2="0"/>
         <input x="-10" y="-25.5" size="5" rotate="true" text="a"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_croisees.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_croisees.elmt
index 5e43a3f3c..64db2d983 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_croisees.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_croisees.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارين متقاطعين مُتّصلين 2</name>
         <name lang="it">2 porte incrociate connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="20" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="0" y2="20" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-b_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-b_relies.elmt
index 0ccd62dee..7affafec5 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-b_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-b_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات -P-A-B  مُتّصلة 2</name>
         <name lang="it">2 porte - P-A-B connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="-5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="0" y2="-5" x2="20"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-t_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-t_relies.elmt
index 77d94cbec..40e10a12b 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-t_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a-t_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات -P-A-T  مُتّصلة</name>
         <name lang="it">2 porte - P-A-T connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="20" y2="-15" x2="20"/>
         <rect width="30" x="-5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt
index b38809614..0d179335e 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-a_fermes.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات -P-A  مُغلقة 2</name>
         <name lang="it">2 porte - P-A chiuse - connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="0" y2="-15" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="0" y2="5" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-b_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-b_relies.elmt
index 6814f3e66..1daf69ebf 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-b_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-b_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات - P - &gt; B  مُتّصلة 2</name>
         <name lang="it">2 porte - P -&gt; B connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="20" y2="5" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="0" y2="-30" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-t_relies.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-t_relies.elmt
index 4a3449372..7bd0601c9 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-t_relies.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_p-t_relies.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات - P -&gt; T مُتّصلة</name>
         <name lang="it">2 porte - P -&gt; T connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="20" y2="-16" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="0" y2="-15" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_parallele.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_parallele.elmt
index 51442b008..29770a92b 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_parallele.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/2_voies_parallele.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات مُتوازية مُتّصلة 2</name>
         <name lang="it">2 porte parallele connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="20" y2="10" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="0" y2="10" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ferme.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ferme.elmt
index 64c893f2c..a7128f800 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ferme.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ferme.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">فوهات - مركز مُغلقة مُتّصلة 4</name>
         <name lang="it">4 fori - centro chiuso connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="20" y2="20" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="0" y2="20" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ouvert.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ouvert.elmt
index 40fa416f6..9cada15bc 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ouvert.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/quatre_voies_relies/4-2-centre_ouvert.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">فوهات مركز مفتوح مُتّصلة 4</name>
         <name lang="it">2 porte - centro aperto connesse</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="0" y2="-5" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="20" y2="20" x2="20"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_a-t.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_a-t.elmt
index fde8542c1..ea3cc26a9 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_a-t.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_a-t.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">3 otvory A -&gt; T</name>
         <name lang="it">3 fori A -&gt; T</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-2" y2="5" x2="2"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="0" y2="5" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_p-a.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_p-a.elmt
index 9b8742e37..c93506424 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_p-a.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_non_relies/3_orifices_p-a.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">3 otvory P -&gt; A</name>
         <name lang="it">3 fori P -&gt; T</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-16" x1="0" y2="9" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="20" y2="10" x2="20"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_a-t.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_a-t.elmt
index 07b739357..159f68dc3 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_a-t.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_a-t.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات A -&gt; T 3</name>
         <name lang="it">3 fori A -&gt; T</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="0" y2="5" x2="0"/>
         <rect width="30" x="-5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_p-a.elmt b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_p-a.elmt
index d7af382d7..3452c368f 100644
--- a/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_p-a.elmt
+++ b/elements/15mecanique/hydraulique/elements_de_distributeurs/trois_voies_relies/3_orifices_p-a.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مسارات P -&gt; A 3</name>
         <name lang="it">3 fori P -&gt; A</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="20" y2="5" x2="20"/>
         <rect width="30" x="-5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/hydraulique/filtres/filtre.elmt b/elements/15mecanique/hydraulique/filtres/filtre.elmt
index e1dae365f..c1950a332 100644
--- a/elements/15mecanique/hydraulique/filtres/filtre.elmt
+++ b/elements/15mecanique/hydraulique/filtres/filtre.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Filtr</name>
         <name lang="cs">Filtr</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="19" y="-14.8333" size="8" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:dashed;line-weight:normal;filling:none;color:black" y1="-19.25" x1="0" y2="19" x2="0"/>
diff --git a/elements/15mecanique/hydraulique/pompes/moteur_hydr_1.elmt b/elements/15mecanique/hydraulique/pompes/moteur_hydr_1.elmt
index 18792bdb5..4b0affec1 100644
--- a/elements/15mecanique/hydraulique/pompes/moteur_hydr_1.elmt
+++ b/elements/15mecanique/hydraulique/pompes/moteur_hydr_1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Silnik hydrauliczny o zmiennym kierunku przepływu, o zmiennej objętości roboczej i o dwóch kierunkach obrotów</name>
         <name lang="cs">Vodní motor 1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="-10" y2="-24" x2="29"/>
         <polygon x4="25" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-23" x1="25" y2="-20" x2="28" y3="-26" x3="31" y4="-23"/>
diff --git a/elements/15mecanique/hydraulique/pompes/moteur_hydr_2.elmt b/elements/15mecanique/hydraulique/pompes/moteur_hydr_2.elmt
index ae728a585..ccf4fe609 100644
--- a/elements/15mecanique/hydraulique/pompes/moteur_hydr_2.elmt
+++ b/elements/15mecanique/hydraulique/pompes/moteur_hydr_2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Silnik hydrauliczny o jednym kierunku przepływu, o stałej objętości roboczej i o jednym kierunku obrotów</name>
         <name lang="cs">Vodní motor 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="6" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="9" x1="6" y2="9" x2="14" y3="2" x3="10" y4="9"/>
         <polygon x4="6" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-19" x1="6" y2="-19" x2="14" y3="-12" x3="10" y4="-19"/>
diff --git a/elements/15mecanique/hydraulique/pompes/moteur_hydr_3.elmt b/elements/15mecanique/hydraulique/pompes/moteur_hydr_3.elmt
index 1ca78901b..1e6f6da79 100644
--- a/elements/15mecanique/hydraulique/pompes/moteur_hydr_3.elmt
+++ b/elements/15mecanique/hydraulique/pompes/moteur_hydr_3.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Silnik hydrauliczny o jednym kierunku przepływu, o zmiennej objętości roboczej z odprowadzeniem przecieków, o dwóch kierunkach obrotów z dwustronnym wałem</name>
         <name lang="cs">Vodní motor 3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="0" y2="-24" x2="39"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="17" x1="35" y2="14" x2="35"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_1.elmt b/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_1.elmt
index 196f7c39a..72fb81c1f 100644
--- a/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_1.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مضخّة محرّكة هيدروليكية 1</name>
         <name lang="it">Pompa idraulica motore 1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="-10" y2="-25" x2="30"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_2.elmt b/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_2.elmt
index 45e50d374..6dfb8bc2f 100644
--- a/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_2.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مضخّة محرّكة هيدروليكية 2</name>
         <name lang="it">Pompa idraulica motore 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="15" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="17" x1="45" y2="14" x2="45"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_3.elmt b/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_3.elmt
index d9013de73..70ab63477 100644
--- a/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_3.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pomp_mot_hydr_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مضخّة محرّكة هيدروليكية 3</name>
         <name lang="it">Pompa idraulica motore 3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <polygon x4="6" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-12" x1="6" y2="-12" x2="14" y3="-20" x3="10" y4="-12"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pompe_debit_fixe.elmt b/elements/15mecanique/hydraulique/pompes/pompe_debit_fixe.elmt
index 2d66f7ab8..8a6e382f2 100644
--- a/elements/15mecanique/hydraulique/pompes/pompe_debit_fixe.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pompe_debit_fixe.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مضخّة بتدفق ثابت</name>
         <name lang="it">Pompa a portata fissa</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="24" y="-13.6667" size="8" rotate="true" text="_"/>
         <circle x="-20" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="40"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pompe_debit_variable.elmt b/elements/15mecanique/hydraulique/pompes/pompe_debit_variable.elmt
index ddd217f4e..f805893f9 100644
--- a/elements/15mecanique/hydraulique/pompes/pompe_debit_variable.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pompe_debit_variable.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مضخّة بتدفق مُتغيّر</name>
         <name lang="it">Pompa a portata variabile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="26" y="-17" size="8" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-19.9336" x1="19.8281" y2="-17.7188" x2="16.4531"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pompe_hydr_1.elmt b/elements/15mecanique/hydraulique/pompes/pompe_hydr_1.elmt
index e9f5cd09b..27bd8b8c6 100644
--- a/elements/15mecanique/hydraulique/pompes/pompe_hydr_1.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pompe_hydr_1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Pompa hydrauliczna o jednym kierunku przepływu, o stałej objętości i o jednym kierunku obrotów</name>
         <name lang="cs">Vodní čerpadlo 1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <polygon x4="6" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-12" x1="6" y2="-12" x2="14" y3="-20" x3="10" y4="-12"/>
diff --git a/elements/15mecanique/hydraulique/pompes/pompe_hydr_2.elmt b/elements/15mecanique/hydraulique/pompes/pompe_hydr_2.elmt
index bc20f4960..cd6cbf1cc 100644
--- a/elements/15mecanique/hydraulique/pompes/pompe_hydr_2.elmt
+++ b/elements/15mecanique/hydraulique/pompes/pompe_hydr_2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Pompa hydrauliczna</name>
         <name lang="cs">Vodní čerpadlo 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="6" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-12" x1="6" y2="-12" x2="14" y3="-20" x3="10" y4="-12"/>
         <circle x="-5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
diff --git a/elements/15mecanique/hydraulique/pompes/transmission_hydr.elmt b/elements/15mecanique/hydraulique/pompes/transmission_hydr.elmt
index 0bd57dc3a..c472b1b1b 100644
--- a/elements/15mecanique/hydraulique/pompes/transmission_hydr.elmt
+++ b/elements/15mecanique/hydraulique/pompes/transmission_hydr.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przekładnia hydrauliczna zwarta, o zmiennej prędkości, o jednym kierunku obrotów, z pompą o zmiennej objętości roboczej</name>
         <name lang="cs">Vodní převod</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-4" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-16" x1="-4" y2="-13" x2="-1" y3="-19" x3="2" y4="-16"/>
         <circle x="5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_elec_1.elmt b/elements/15mecanique/hydraulique/vannes/vanne_elec_1.elmt
index acf2a52b1..78b17ed49 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_elec_1.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_elec_1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Zawór zasuwowy odcinający sterowany elektromagnetycznie</name>
         <name lang="cs">Klapka řízená elektromagnetem</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="10" x="5" y="-16" antialias="false" height="14" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-14" x1="5" y2="-4" x2="15"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_elec_2.elmt b/elements/15mecanique/hydraulique/vannes/vanne_elec_2.elmt
index 325c6c056..033d5255f 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_elec_2.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_elec_2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Zawór trójdrogowy sterowany elektromagnetycznie</name>
         <name lang="cs">Trojcestná klapka řízená elektromagnetem</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="10" y2="30" x2="10"/>
         <polygon x4="5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="5" y2="20" x2="15" y3="10" x3="10" y4="20"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_man_1.elmt b/elements/15mecanique/hydraulique/vannes/vanne_man_1.elmt
index c74fde75c..42d5ccf48 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_man_1.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_man_1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Zawór zasuwowy odcinający sterowany ręcznie</name>
         <name lang="cs">Klapka řízená ručně</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-12" x1="6" y2="-12" x2="14"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-1" x1="9" y2="-12" x2="9"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_man_2.elmt b/elements/15mecanique/hydraulique/vannes/vanne_man_2.elmt
index d55f7b745..a0b790232 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_man_2.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_man_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بثلاث مسارات - تحكّم يدوي</name>
         <name lang="it">Valvola manuale 3vie</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="10" y2="20" x2="10"/>
         <polygon x4="5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="5" y2="10" x2="15" y3="0" x3="10" y4="10"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_manuelle.elmt b/elements/15mecanique/hydraulique/vannes/vanne_manuelle.elmt
index 6df80af2e..e5d78d102 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_manuelle.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_manuelle.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام  يدوي</name>
         <name lang="it">Valvola manuale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10.125" y2="0" x2="-19.5"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="10.0459" y2="0" x2="19.459"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_mot_1.elmt b/elements/15mecanique/hydraulique/vannes/vanne_mot_1.elmt
index 509ed50bb..853167b8b 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_mot_1.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_mot_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام  مُزوّد بمُحرّك</name>
         <name lang="it">Valvola motorizzata</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="20" x="0" y="-10" antialias="true" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-45" angle="-90"/>
         <circle x="2.5" y="-7.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="15"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_mot_2.elmt b/elements/15mecanique/hydraulique/vannes/vanne_mot_2.elmt
index 06c081162..c10050b1b 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_mot_2.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_mot_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام  بثلاث مسارات مُزوّد بمُحرّك</name>
         <name lang="it">Valvola motorizzata 3vie</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="30" x1="10" y2="40" x2="10"/>
         <polygon x4="5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="30" x1="5" y2="30" x2="15" y3="20" x3="10" y4="30"/>
diff --git a/elements/15mecanique/hydraulique/vannes/vanne_tri.elmt b/elements/15mecanique/hydraulique/vannes/vanne_tri.elmt
index 7dd5f20c2..fb64cefd9 100644
--- a/elements/15mecanique/hydraulique/vannes/vanne_tri.elmt
+++ b/elements/15mecanique/hydraulique/vannes/vanne_tri.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Zawór trójdrogowy</name>
         <name lang="cs">Trojcestná klapka</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="10" y2="10" x2="10"/>
         <polygon x4="5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="5" y2="0" x2="15" y3="-10" x3="10" y4="0"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin-assymetrique-double-effet-tige-a-gauche.elmt b/elements/15mecanique/hydraulique/verins/verin-assymetrique-double-effet-tige-a-gauche.elmt
index 828fdeb10..a49b6a337 100644
--- a/elements/15mecanique/hydraulique/verins/verin-assymetrique-double-effet-tige-a-gauche.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin-assymetrique-double-effet-tige-a-gauche.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Siłownik asymetryczny podwójnego działania</name>
         <name lang="cs">Dvojčinný nesouměrný válec, osa natočená vlevo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-25" y5="-10" x5="-25" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-10" x1="-25" y2="-10" x2="35" y3="10" x3="35" y4="10"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="30" y2="20" x2="30"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin-asymetrique-doubl-effet.elmt b/elements/15mecanique/hydraulique/verins/verin-asymetrique-doubl-effet.elmt
index 4f4db5c87..5ffc77acc 100644
--- a/elements/15mecanique/hydraulique/verins/verin-asymetrique-doubl-effet.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin-asymetrique-doubl-effet.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Siłownik asymetryczny podwójnego działania</name>
         <name lang="cs">Dvojčinný nesouměrný válec, osa natočená vpravo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-35" y5="-10" x5="-35" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-10" x1="-35" y2="-10" x2="25" y3="10" x3="25" y4="10"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="20" x2="20"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin-simple-effet-rappel-par-ressort.elmt b/elements/15mecanique/hydraulique/verins/verin-simple-effet-rappel-par-ressort.elmt
index 1802156b7..bca07d9f3 100644
--- a/elements/15mecanique/hydraulique/verins/verin-simple-effet-rappel-par-ressort.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin-simple-effet-rappel-par-ressort.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Siłownik jednostronnego działania ze sprężyną powrotną</name>
         <name lang="cs">Jednočinný válec - vrácený pružinou</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-25" y5="-10" x5="-25" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-10" x1="-25" y2="-10" x2="35" y3="10" x3="35" y4="10"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-15" y2="0" x2="45"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt b/elements/15mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt
index 5502ceab4..6a4b326b8 100644
--- a/elements/15mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل مزدوج</name>
         <name lang="it">Pistone doppia azione - doppia testa</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="70" y2="-10" x2="80"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="70" y2="10" x2="80"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin_hydr_1.elmt b/elements/15mecanique/hydraulique/verins/verin_hydr_1.elmt
index c4f18c2f4..1229d8432 100644
--- a/elements/15mecanique/hydraulique/verins/verin_hydr_1.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin_hydr_1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Siłownik hydrauliczny dwustronnego działania</name>
         <name lang="cs">Vodní válec 1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="40" y2="10" x2="40"/>
         <polygon x4="-12" y5="-20" x5="42" y6="-12" x6="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="42" y2="0" x2="42" y3="0" x3="-12" y4="-20"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin_hydr_2.elmt b/elements/15mecanique/hydraulique/verins/verin_hydr_2.elmt
index 4d4cd9912..e8db079eb 100644
--- a/elements/15mecanique/hydraulique/verins/verin_hydr_2.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin_hydr_2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Siłownik hydrauliczny dwustronnego działania, nastawialny z hamowaniem jednostronnym</name>
         <name lang="cs">Vodní válec 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-12" y5="-20" x5="42" y6="-12" x6="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="42" y2="0" x2="42" y3="0" x3="-12" y4="-20"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-17" x1="10" y2="-1" x2="-5"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin_hydr_3.elmt b/elements/15mecanique/hydraulique/verins/verin_hydr_3.elmt
index 6533da3ec..b78849ce5 100644
--- a/elements/15mecanique/hydraulique/verins/verin_hydr_3.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin_hydr_3.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Siłownik hydrauliczny jednostronnego działania, pchający ze sprężyną</name>
         <name lang="cs">Vodní válec 3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="21" y5="0" x5="28" y6="-20" x6="35" y7="0" x7="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="0" y2="-20" x2="7" y3="0" x3="14" y4="-20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="8" x1="40" y2="5" x2="40"/>
diff --git a/elements/15mecanique/hydraulique/verins/verin_hydr_teleskop.elmt b/elements/15mecanique/hydraulique/verins/verin_hydr_teleskop.elmt
index cea11f29a..07c9b08f5 100644
--- a/elements/15mecanique/hydraulique/verins/verin_hydr_teleskop.elmt
+++ b/elements/15mecanique/hydraulique/verins/verin_hydr_teleskop.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Cylinder (siłownik) teleskowpowy hydrauliczny dwustronnego działania</name>
         <name lang="cs">Zasouvací vodní válec</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-16" x1="0" y2="-16" x2="52" y3="-12" x3="52"/>
         <polygon antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-4" x1="0" y2="-4" x2="52" y3="-8" x3="52"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_1.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_1.elmt
index cb87f4545..6e39b8346 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_1.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مغزل دوّار بكابل</name>
         <name lang="it">Mandrino rotante con 1 cavo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="13" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="-27" x1="13" y2="-23" x2="13" y3="-25" x3="18" y4="-27"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_3.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_3.elmt
index 8173a219f..0117eac9c 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_3.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/broche_rotative_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مغزل دوّار بثلاث كابلات</name>
         <name lang="it">Mandrino rotante con 3 cavi</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="-10" y2="-20" x2="40"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10" y2="0" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/cable_elec.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/cable_elec.elmt
index 66e5c1218..a75dd8da3 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/cable_elec.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/cable_elec.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">عنصر كابل كهربائي</name>
         <name lang="it">Cavo elettrico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="11" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-5" x1="6" y2="-5" x2="0" y3="-15" x3="5" y4="-15"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/connection_1.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/connection_1.elmt
index c03004cbf..a1bd4b674 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/connection_1.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/connection_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">كابل ربط - 1</name>
         <name lang="it">Connessione cavo - 1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-1.15" y="-11.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="10"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/connection_2.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/connection_2.elmt
index 3f3f8e3df..a3b1c3c04 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/connection_2.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/connection_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">كابل ربط - 2</name>
         <name lang="it">Connessione cavo - 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10" y2="0" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="0" y2="0" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide.elmt
index a7a5ed345..e44960af3 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">رابط سريع</name>
         <name lang="it">Raccordo rapido</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-15" x1="5" y2="-10" x2="10" y3="-5" x3="5"/>
         <rect width="30" x="0" y="-18" antialias="false" height="16" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_2.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_2.elmt
index 9eb9d65ae..9d9f4d5dc 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_2.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">رابط سريع</name>
         <name lang="it">Raccordo rapido</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-2" x1="34" y2="2" x2="34"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10" y2="0" x2="26"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_3.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_3.elmt
index 409878a83..ca406ae56 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_3.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">رابط سريع بصمّام ضدّ الرجع</name>
         <name lang="it">Raccordo rapido con valvola ritegno</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="22" y="-4" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="8"/>
         <rect width="34" x="-2" y="-10" antialias="false" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_4.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_4.elmt
index 2bb1b9475..16400ec44 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_4.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/raccord_rapide_4.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بفتح سريع و بارتداد خلفي ميكانيكي</name>
         <name lang="it">Valvola ad apertura rapida con feedback meccanico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="20" x="40" y="-10" antialias="false" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <circle x="5" y="-4" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="8"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/reniflard.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/reniflard.elmt
index 828cade98..2029e0255 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/reniflard.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/reniflard.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صرف هواء</name>
         <name lang="it">Scarico d'aria</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="13.85" y="-1.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
         <arc width="20" x="-7" y="-20" antialias="true" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black" start="45" angle="-90"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/repartiteur.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/repartiteur.elmt
index 34763afe3..486acce46 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/repartiteur.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/repartiteur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع</name>
         <name lang="it">Ripartitore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="circle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="24" x1="20" y2="-1" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="circle" end2="none" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="2" x1="20" y2="-23" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/soupape_tare.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/soupape_tare.elmt
index 122462ec2..809fb7363 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/soupape_tare.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/soupape_tare.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام معياري</name>
         <name lang="it">Valvola tarata</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-25" x1="5" y2="-18" x2="5"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-25" x1="0" y2="-25" x2="10"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/souple.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/souple.elmt
index 33bcea97f..e4a1cad6b 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/souple.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/souple.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توصيلة مرنة</name>
         <name lang="it">Connessione flessibile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="20" y2="-10" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/cables_connecteurs/ventilation_continue.elmt b/elements/15mecanique/pneumatique/cables_connecteurs/ventilation_continue.elmt
index 5e529191d..90099cb3d 100644
--- a/elements/15mecanique/pneumatique/cables_connecteurs/ventilation_continue.elmt
+++ b/elements/15mecanique/pneumatique/cables_connecteurs/ventilation_continue.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">تهوئة مسنمرة</name>
         <name lang="it">Ventilazione continua</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="13.85" y="-1.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
         <arc width="20" x="-7" y="-20" antialias="true" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black" start="45" angle="-90"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_bistable_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_bistable_electrique.elmt
index 850cc5c82..279b530dc 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_bistable_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_bistable_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/2 ثنائي الإستقرار</name>
         <name lang="it">Valvola 5/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="30" y2="-24" x2="17"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-54" y2="-36" x2="17"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt
index bd4d49fd0..6ff508eb6 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/2 أحادي الإستقرار رجوع بالضغط</name>
         <name lang="it">Valvola 5/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-12" x1="-70" y2="-12" x2="-55"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="-70" y2="-24" x2="-55"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_ressort_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_ressort_electrique.elmt
index 695656e37..f5cab5a52 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_ressort_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_2_mono_rappel_ressort_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/2 أحادي الإستقرار رجوع بزمبرك</name>
         <name lang="it">Valvola 5/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="-70" y2="-24" x2="-54"/>
         <input x="22" y="9" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cf_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cf_electrique.elmt
index 0f09374ec..c66d44cfe 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cf_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cf_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع  5/3 CF</name>
         <name lang="it">Valvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-52" y2="-36" x2="51"/>
         <input x="80" y="9" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_co_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_co_electrique.elmt
index 4f3fd1ad6..166ff3713 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_co_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_co_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">موزّع 5/3 CO</name>
         <name lang="it">Valvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="25" y="9" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="-36" y2="-35" x2="-48"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cy_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cy_electrique.elmt
index d063482fa..18b5a92cb 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cy_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_5_3_cy_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/3 CY</name>
         <name lang="it">Valvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="-10" y2="-24" x2="10"/>
         <input x="25" y="9" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_electrique.elmt
index 155bb3ddd..f79158d74 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّعات 2x3/2 NC-NC</name>
         <name lang="it">Valvola 2x3/2 NC/NC</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="72" y2="-24" x2="-48"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="circle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="0" x1="0" y2="-25" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_no_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_no_electrique.elmt
index f5cd7b8fe..c6b5ff7f9 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_no_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2nf_no_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّعات 2x3/2 NC- NO</name>
         <name lang="it">Valvola 2x3/2 NC/NO</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="-48" y2="-24" x2="69"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="circle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="0" x1="0" y2="-25" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2no_electrique.elmt b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2no_electrique.elmt
index dba0642a1..e20d28701 100644
--- a/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2no_electrique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_electrique/distributeur_double3_2no_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّعات 2x3/2 NO - NO</name>
         <name lang="it">Valvola 2x3/2 NO/NO</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="94" y="8" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="false" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-37" x1="-50" y2="-59" x2="-50"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_2_crante_manuel.elmt b/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_2_crante_manuel.elmt
index d1c212244..70d8544fd 100644
--- a/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_2_crante_manuel.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_2_crante_manuel.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 4/2 بماسكة</name>
         <name lang="it">Valvola 4/2 bloccabile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="23" y="9" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-12" x1="0" y2="-36" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_3_cf_crante_manuel.elmt b/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_3_cf_crante_manuel.elmt
index 8bb65db33..b90f2f0d2 100644
--- a/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_3_cf_crante_manuel.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_manuel/distributeur_4_3_cf_crante_manuel.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 4/3CF بماسكة</name>
         <name lang="it">Valvola 4/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="27" y="8" size="9" rotate="true" text="_"/>
         <line length1="2" length2="1.5" antialias="true" end1="triangle" end2="none" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-36" x1="-12" y2="-12" x2="-24"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_2_2_manuel.elmt b/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_2_2_manuel.elmt
index 2f44aa342..b552e0222 100644
--- a/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_2_2_manuel.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_2_2_manuel.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام توقيق 2/2</name>
         <name lang="it">Valvola 2/2 di arresto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="12" y="8" size="9" rotate="true" text="_"/>
         <circle x="-61.5" y="-35.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="5"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_arret.elmt b/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_arret.elmt
index b95d49588..47d092b4a 100644
--- a/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_arret.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_manuel/vanne_arret.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام توقيف 3/2 يدوي</name>
         <name lang="it">Valvola arresto manuale 3/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="23" y="8" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-30" y2="-36" x2="18"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/camozzi_104.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/camozzi_104.elmt
index 7e8d089cb..d221dddd9 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/camozzi_104.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/camozzi_104.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">Camozzi 104</name>
         <name lang="it">Camozzi 104</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="46" y="-44.5" size="9" rotate="true" text="104"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="95" y2="0" x2="106"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_2_2_rappel_ressort_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_2_2_rappel_ressort_pneumatique.elmt
index f6592afff..d48d612c4 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_2_2_rappel_ressort_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_2_2_rappel_ressort_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام توقيف</name>
         <name lang="it">Valvola d'arresto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="32" y="8" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="-24" y2="-34" x2="-24"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_bi-stable_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_bi-stable_pneumatique.elmt
index 8248b1d53..41782f415 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_bi-stable_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_bi-stable_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/2 ثنائي الإستقرار</name>
         <name lang="it">Valvola 5/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="23" y="8" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="-1" y2="-35" x2="11"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_pression_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_pression_pneumatique.elmt
index ba0b8adce..78f6d2e2e 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_pression_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_pression_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/2 أحادي راجع بالضغط</name>
         <name lang="it">Valvola 5/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="21" y="8" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="-1" y2="-35" x2="11"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_ressort_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_ressort_pneumatique.elmt
index c6bf116b5..e48aaafc5 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_ressort_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_2_mono_rappel_ressort_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/2 أحادي راجع بزمبرك</name>
         <name lang="it">Valvola 5/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="23" y="9" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="-36" y2="-35" x2="-48"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cf_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cf_pneumatique.elmt
index 74be940b3..6a6b972f5 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cf_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cf_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/3 CF</name>
         <name lang="it">Valvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="27" y="9" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="-36" y2="-35" x2="-48"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_co_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_co_pneumatique.elmt
index 66e9e4338..b2f148a66 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_co_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_co_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/3 CO</name>
         <name lang="it">Valvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="26" y="8" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="-36" y2="-35" x2="-48"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cy_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cy_pneumatique.elmt
index ea71a44f0..c0f08365a 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cy_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_5_3_cy_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 5/3 CY</name>
         <name lang="it">Valvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="-10" y2="-24" x2="10"/>
         <input x="25" y="9" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_no_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_no_pneumatique.elmt
index 0edd49d2e..220ad16c1 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_no_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_no_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع 2x3/2 NC-NO</name>
         <name lang="it">Valvola 2x3/2 NC/NO</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="86" y="8.5" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="true" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-49" x1="-39" y2="-71" x2="-51"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_pneumatique.elmt
index 67eef2552..51b21bec8 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2nf_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع  2x3/2 NC-NC</name>
         <name lang="it">Valvola 2x3/2 NC/NC</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="81" y="10" size="9" rotate="true" text="_"/>
         <line length1="2" length2="2" antialias="false" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-49" x1="36" y2="-71" x2="36"/>
diff --git a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2no_pneumatique.elmt b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2no_pneumatique.elmt
index 094f7147a..0d132fe49 100644
--- a/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2no_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/distributeurs_pneumatique/distributeur_double3_2no_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع  2x3/2 NO-NO</name>
         <name lang="it">Valvola 2x3/2 NO/NO</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-24" x1="-50" y2="-24" x2="60"/>
         <input x="83" y="7" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/energie/compresseur.elmt b/elements/15mecanique/pneumatique/energie/compresseur.elmt
index 304c9069c..f2b29738c 100644
--- a/elements/15mecanique/pneumatique/energie/compresseur.elmt
+++ b/elements/15mecanique/pneumatique/energie/compresseur.elmt
@@ -8,7 +8,8 @@
         <name lang="ar">ضاغط</name>
         <name lang="it">Compressore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <polygon x4="6" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-12" x1="6" y2="-12" x2="14" y3="-20" x3="10" y4="-12"/>
diff --git a/elements/15mecanique/pneumatique/energie/entrainement.elmt b/elements/15mecanique/pneumatique/energie/entrainement.elmt
index 54454adcc..e77cb7b9a 100644
--- a/elements/15mecanique/pneumatique/energie/entrainement.elmt
+++ b/elements/15mecanique/pneumatique/energie/entrainement.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُحرّك رئيسي</name>
         <name lang="it">Motore principale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="-5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <text x="3" y="-0.3333" size="12" text="M"/>
diff --git a/elements/15mecanique/pneumatique/energie/entrainement_electrique.elmt b/elements/15mecanique/pneumatique/energie/entrainement_electrique.elmt
index a3f19a377..88a24d6ad 100644
--- a/elements/15mecanique/pneumatique/energie/entrainement_electrique.elmt
+++ b/elements/15mecanique/pneumatique/energie/entrainement_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُحرّك كهربائي</name>
         <name lang="it">Motore elettrico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-5" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <text x="3" y="-0.3333" size="12" text="M"/>
diff --git a/elements/15mecanique/pneumatique/energie/moteur.elmt b/elements/15mecanique/pneumatique/energie/moteur.elmt
index d8c56abc7..46f0e3611 100644
--- a/elements/15mecanique/pneumatique/energie/moteur.elmt
+++ b/elements/15mecanique/pneumatique/energie/moteur.elmt
@@ -10,7 +10,8 @@ rotation
         <name lang="ar">مُحرّك باتجاه دوران واحد</name>
         <name lang="it">Motore 1 direzione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="10" y2="20" x2="10"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-4" x1="25" y2="-4" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/energie/moteur_1.elmt b/elements/15mecanique/pneumatique/energie/moteur_1.elmt
index f1480a1ec..c760144b2 100644
--- a/elements/15mecanique/pneumatique/energie/moteur_1.elmt
+++ b/elements/15mecanique/pneumatique/energie/moteur_1.elmt
@@ -10,7 +10,8 @@ rotation
         <name lang="ar">مُحرّك بدوران في اتجاهين</name>
         <name lang="it">Motore 2 direzioni</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="9" x1="5" y2="2" x2="10" y3="9" x3="14"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="10" y2="20" x2="10"/>
diff --git a/elements/15mecanique/pneumatique/energie/moteur_2.elmt b/elements/15mecanique/pneumatique/energie/moteur_2.elmt
index 2ae2a648e..ad07fee88 100644
--- a/elements/15mecanique/pneumatique/energie/moteur_2.elmt
+++ b/elements/15mecanique/pneumatique/energie/moteur_2.elmt
@@ -11,7 +11,8 @@ variable</name>
         <name lang="ar">مُحرّك بدوران في الإتجاهين مُتغيّر</name>
         <name lang="it">Motore 2 direzioni</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="9" x1="5" y2="2" x2="10" y3="9" x3="14"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="-10" y2="-22" x2="27"/>
diff --git a/elements/15mecanique/pneumatique/energie/moteur_3.elmt b/elements/15mecanique/pneumatique/energie/moteur_3.elmt
index c1dbb3089..ca02b3bf7 100644
--- a/elements/15mecanique/pneumatique/energie/moteur_3.elmt
+++ b/elements/15mecanique/pneumatique/energie/moteur_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُحرّك نيوماتي دوراني</name>
         <name lang="it">Motore rotativo pneumatico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-23" x1="10" y2="-20" x2="16" y3="-17" x3="10"/>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-13" x1="10" y2="-10" x2="16" y3="-7" x3="10"/>
diff --git a/elements/15mecanique/pneumatique/energie/moteur_4.elmt b/elements/15mecanique/pneumatique/energie/moteur_4.elmt
index 331de5340..31a344332 100644
--- a/elements/15mecanique/pneumatique/energie/moteur_4.elmt
+++ b/elements/15mecanique/pneumatique/energie/moteur_4.elmt
@@ -11,7 +11,8 @@ variable</name>
         <name lang="ar">مُحرّك اتجاه دوران واحد مُتغيّر</name>
         <name lang="it">Motore 1 senso di rotazione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="-10" y2="-22" x2="27"/>
         <polygon x4="25" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-22" x1="25" y2="-20" x2="27" y3="-25" x3="30" y4="-22"/>
diff --git a/elements/15mecanique/pneumatique/energie/source_energie_pneumatique.elmt b/elements/15mecanique/pneumatique/energie/source_energie_pneumatique.elmt
index 01417c05a..f6d66177b 100644
--- a/elements/15mecanique/pneumatique/energie/source_energie_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/energie/source_energie_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مصدر طاقة نيوماتية</name>
         <name lang="it">Alimentazione motore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="10" y2="0" x2="20"/>
         <polygon x4="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="0" y2="0" x2="10" y3="-5" x3="0" y4="5"/>
diff --git a/elements/15mecanique/pneumatique/reservoir/accumulateur.elmt b/elements/15mecanique/pneumatique/reservoir/accumulateur.elmt
index 4fb0cde6c..46474ca43 100644
--- a/elements/15mecanique/pneumatique/reservoir/accumulateur.elmt
+++ b/elements/15mecanique/pneumatique/reservoir/accumulateur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">خزّان</name>
         <name lang="it">Serbatoio</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="10" y2="-10" x2="10"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-5" y2="35" x2="-5"/>
diff --git a/elements/15mecanique/pneumatique/reservoir/reservoir.elmt b/elements/15mecanique/pneumatique/reservoir/reservoir.elmt
index 462ec869b..3c8da757e 100644
--- a/elements/15mecanique/pneumatique/reservoir/reservoir.elmt
+++ b/elements/15mecanique/pneumatique/reservoir/reservoir.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">خزّان</name>
         <name lang="it">Serbatoio</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="60" y2="-10" x2="70"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/diviseur_debit.elmt b/elements/15mecanique/pneumatique/soupapes/diviseur_debit.elmt
index 500efdb40..db5baf6b7 100644
--- a/elements/15mecanique/pneumatique/soupapes/diviseur_debit.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/diviseur_debit.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُقسّم تدفّق</name>
         <name lang="it">Ripartitore di flusso</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="40" y2="25" x2="40"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="20" y2="25" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/microvalve.elmt b/elements/15mecanique/pneumatique/soupapes/microvalve.elmt
index f795039c8..859366f11 100644
--- a/elements/15mecanique/pneumatique/soupapes/microvalve.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/microvalve.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام صغري بتحكّم ميكانيكي</name>
         <name lang="it">Microvalvola a comando meccanico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="0.1" antialias="false" end1="none" end2="circle" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="30" x1="2" y2="26" x2="6"/>
         <line length1="0.1" length2="1.5" antialias="true" end1="circle" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-29" x1="-1" y2="-21" x2="-9"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/reducteur_debit.elmt b/elements/15mecanique/pneumatique/soupapes/reducteur_debit.elmt
index d9be06639..cfd5a3949 100644
--- a/elements/15mecanique/pneumatique/soupapes/reducteur_debit.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/reducteur_debit.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُخفّض تدفق بمسارين و بتعويض حراري خرج التدفّق قابل للتعديل</name>
         <name lang="it">Regolatore di flusso, con compensazione di temperatura e uscita variabile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="15" y="-30" antialias="false" height="60" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="20" y2="-20" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/reducteur_debit_1.elmt b/elements/15mecanique/pneumatique/soupapes/reducteur_debit_1.elmt
index c75b57701..ce18b4bc5 100644
--- a/elements/15mecanique/pneumatique/soupapes/reducteur_debit_1.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/reducteur_debit_1.elmt
@@ -10,7 +10,8 @@ unidirectionnel
         <name lang="ar">مُخفّض تدفّق أحادي الإتجاه</name>
         <name lang="it">Riduttore flusso unidirezionale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="25" x1="7" y2="25" x2="8"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="25" x1="0" y2="25" x2="5"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/reducteur_debit_variable.elmt b/elements/15mecanique/pneumatique/soupapes/reducteur_debit_variable.elmt
index 24fdc0a63..23c1792d0 100644
--- a/elements/15mecanique/pneumatique/soupapes/reducteur_debit_variable.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/reducteur_debit_variable.elmt
@@ -9,7 +9,8 @@ débit variable
         <name lang="ar">مُخفّض تدفّق قابل للتعديل</name>
         <name lang="it">Riduttore di flusso regolabile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10" y2="0" x2="30"/>
         <polygon x4="16" antialias="false" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-8" x1="16" y2="-6" x2="18" y3="-10" x3="20" y4="-8"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/reg_de_press.elmt b/elements/15mecanique/pneumatique/soupapes/reg_de_press.elmt
index c20dca680..0e0ab81b3 100644
--- a/elements/15mecanique/pneumatique/soupapes/reg_de_press.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/reg_de_press.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُعدّل ضغط</name>
         <name lang="it">Regolatore di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="23" x1="39" y2="13" x2="49"/>
         <circle x="73.85" y="48.85" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/regulateur_debit.elmt b/elements/15mecanique/pneumatique/soupapes/regulateur_debit.elmt
index 6408f237b..488a4e8a8 100644
--- a/elements/15mecanique/pneumatique/soupapes/regulateur_debit.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/regulateur_debit.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُخفّض تدفّق ثنائي الإتجاه قابل للتعديل</name>
         <name lang="it">Riduttore di flusso bidirezionale regolabile</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="30" x="32" y="-15" antialias="true" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-135" angle="-90"/>
         <rect width="30" x="15" y="-30" antialias="false" height="60" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/regulateur_pression.elmt b/elements/15mecanique/pneumatique/soupapes/regulateur_pression.elmt
index 55cc3cb3f..58d1396a5 100644
--- a/elements/15mecanique/pneumatique/soupapes/regulateur_pression.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/regulateur_pression.elmt
@@ -9,7 +9,8 @@ pression
         <name lang="ar">مُعدّل ضغط</name>
         <name lang="it">Regolatore di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-18" x1="46" y2="-5" x2="39"/>
         <polygon x4="44" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-19" x1="44" y2="-17" x2="48" y3="-23" x3="49" y4="-19"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/soupape_securite.elmt b/elements/15mecanique/pneumatique/soupapes/soupape_securite.elmt
index 296551dde..65be40318 100644
--- a/elements/15mecanique/pneumatique/soupapes/soupape_securite.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/soupape_securite.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام أمان</name>
         <name lang="it">Valvola di sicurezza</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="10" y2="-15" x2="10"/>
         <rect width="30" x="5" y="-15" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/soupape_securite_2.elmt b/elements/15mecanique/pneumatique/soupapes/soupape_securite_2.elmt
index 4041d9ce0..b67ccc8fd 100644
--- a/elements/15mecanique/pneumatique/soupapes/soupape_securite_2.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/soupape_securite_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام أمان</name>
         <name lang="it">Valvola di sicurezza</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="23" x1="35" y2="28" x2="35"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="35" y2="20" x2="35"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/soupape_securite_3.elmt b/elements/15mecanique/pneumatique/soupapes/soupape_securite_3.elmt
index 9ea0b121e..fc51d5e0f 100644
--- a/elements/15mecanique/pneumatique/soupapes/soupape_securite_3.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/soupape_securite_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام أمان</name>
         <name lang="it">Valvola di sicurezza</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="35" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="35" y2="-15" x2="29" y3="-20" x3="32" y4="-15"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="21" x1="-5" y2="26" x2="-5"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/vanne_arret.elmt b/elements/15mecanique/pneumatique/soupapes/vanne_arret.elmt
index a729e3f49..186d7f703 100644
--- a/elements/15mecanique/pneumatique/soupapes/vanne_arret.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/vanne_arret.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام توقيف 3/2 يدوي</name>
         <name lang="it">Valvola di arresto 3/2 manuale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="23" y="8" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-30" y2="-36" x2="18"/>
diff --git a/elements/15mecanique/pneumatique/soupapes/vanne_arret_2.elmt b/elements/15mecanique/pneumatique/soupapes/vanne_arret_2.elmt
index 1aca549c4..e8dcbeafc 100644
--- a/elements/15mecanique/pneumatique/soupapes/vanne_arret_2.elmt
+++ b/elements/15mecanique/pneumatique/soupapes/vanne_arret_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام توقيف</name>
         <name lang="it">Valvola d'intercettazione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="30"/>
         <polygon x4="20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-4" x1="20" y2="-10" x2="10" y3="-16" x3="20" y4="-4"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/assecheur.elmt b/elements/15mecanique/pneumatique/traitement_air/assecheur.elmt
index c96ea9c8e..24ccc19b8 100644
--- a/elements/15mecanique/pneumatique/traitement_air/assecheur.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/assecheur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُجفّف</name>
         <name lang="it">Essicatore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="20" y5="-10" x5="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="0" y2="-30" x2="20" y3="-10" x3="40" y4="10"/>
         <line length1="0.1" length2="0.1" antialias="false" end1="circle" end2="circle" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-19" x1="9" y2="-19" x2="31"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/capteur_pression.elmt b/elements/15mecanique/pneumatique/traitement_air/capteur_pression.elmt
index 1db47a958..b98509312 100644
--- a/elements/15mecanique/pneumatique/traitement_air/capteur_pression.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/capteur_pression.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">حسّاس ضغط</name>
         <name lang="it">Sensore di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="34.5" y="-0.5" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="1"/>
         <circle x="34.5" y="-7.5" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="1"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/chauffe.elmt b/elements/15mecanique/pneumatique/traitement_air/chauffe.elmt
index bad7420cd..adb93f770 100644
--- a/elements/15mecanique/pneumatique/traitement_air/chauffe.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/chauffe.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">سخّان</name>
         <name lang="it">Riscaldatore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="20" y2="9" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="20" y2="-29" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/debitmetre_2.elmt b/elements/15mecanique/pneumatique/traitement_air/debitmetre_2.elmt
index 7ffdf9ac9..dcee030ff 100644
--- a/elements/15mecanique/pneumatique/traitement_air/debitmetre_2.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/debitmetre_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس تدفّق</name>
         <name lang="it">Sensore di portata integrale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="10" y5="20" x5="20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="20" y2="0" x2="10" y3="10" x3="15" y4="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="30" y2="10" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/debitmetre_3.elmt b/elements/15mecanique/pneumatique/traitement_air/debitmetre_3.elmt
index 31eb9dcea..812770b77 100644
--- a/elements/15mecanique/pneumatique/traitement_air/debitmetre_3.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/debitmetre_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس ضغط</name>
         <name lang="it">Sensore di portata</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="30" y2="10" x2="40"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="-10" y2="10" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/festo_lfr-kg.elmt b/elements/15mecanique/pneumatique/traitement_air/festo_lfr-kg.elmt
index 834a153b5..1fe6f11fb 100644
--- a/elements/15mecanique/pneumatique/traitement_air/festo_lfr-kg.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/festo_lfr-kg.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">LFR-KG / LFRS-KG</name>
         <name lang="it">FESTO LFR-KG/LFRS-KG</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="55" x1="170" y2="55" x2="180"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="55" x1="170" y2="90" x2="170"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre.elmt
index 5db9f3752..4c416c286 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح</name>
         <name lang="it">Filtro</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="4" x1="20" y2="9" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-3" x1="20" y2="2" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_air_purge_automatique.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_air_purge_automatique.elmt
index 97957e34e..f8acde05b 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_air_purge_automatique.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_air_purge_automatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح بتصريف آلي</name>
         <name lang="it">Filtro con scarico automatico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="44" y="25" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="6" x1="25" y2="10" x2="30"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_contamination.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_contamination.elmt
index 4512b8591..aa087573e 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_contamination.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_contamination.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح بمُؤشّر تلوّث</name>
         <name lang="it">Filtro con indicatore di contaminazione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-28" x1="17" y2="-22" x2="23"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-28" x1="23" y2="-22" x2="17"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_magnetique.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_magnetique.elmt
index 47e15bf29..6d8591129 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_magnetique.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_magnetique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح بحاجز مغناطيسي</name>
         <name lang="it">Filtro con barriera magnetica</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-6.05" x1="16.95" y2="-6.05" x2="22.95"/>
         <polygon x4="20" y5="-10" x5="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="0" y2="-30" x2="20" y3="-10" x3="40" y4="10"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_purge.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_purge.elmt
index 2d91c84f5..5dfd0a44f 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_purge.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_purge.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح بمصرف</name>
         <name lang="it">Filtro con spurgo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" x1="20" y2="-3" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="20" y2="-10" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur.elmt
index 5d953bf9a..33b6f4f81 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح بتعديل الضغط</name>
         <name lang="it">Filtro e regolatore di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="2" length2="2" antialias="false" end1="triangle" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="0" x1="86" y2="0" x2="108"/>
         <input x="63" y="51" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_1.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_1.elmt
index f20b242b2..e2210eff9 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_1.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح تعديل ضغط بجهاز قيس</name>
         <name lang="it">Filtro, regolatore e manometro</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="103.85" y="-11.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
         <polygon x4="70" y5="-43" x5="80" y6="-45" x6="70" y7="-47" x7="75" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-35" x1="75" y2="-37" x2="70" y3="-39" x3="80" y4="-41"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_2.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_2.elmt
index 2157235f3..128703b10 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_2.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح , مُعدّل, جهاز قياس ضغط, مزيتة</name>
         <name lang="it">Filtro, regolatore, manometro e lubrificatore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="160" y2="-10" x2="180"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="80" y2="-10" x2="120"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_lubrificateur.elmt b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_lubrificateur.elmt
index 687b4b872..5df4dd972 100644
--- a/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_lubrificateur.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/filtre_regulateur_lubrificateur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح مُعدّل للضغط بمزيتة</name>
         <name lang="it">Filtro, regolatore e lubrificatore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="78" y="21" size="9" rotate="true" text="_"/>
         <circle x="31.5" y="-10.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="21"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/indicateur_liquide.elmt b/elements/15mecanique/pneumatique/traitement_air/indicateur_liquide.elmt
index 7e032fb85..55272ead3 100644
--- a/elements/15mecanique/pneumatique/traitement_air/indicateur_liquide.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/indicateur_liquide.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُؤشّر مستوى سائل</name>
         <name lang="it">Indicatore di livello del liquido</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-17" x1="-5" y2="-17" x2="24"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-13" x1="-5" y2="-13" x2="24"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/indicateur_niveau.elmt b/elements/15mecanique/pneumatique/traitement_air/indicateur_niveau.elmt
index 340a826a8..da401fb85 100644
--- a/elements/15mecanique/pneumatique/traitement_air/indicateur_niveau.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/indicateur_niveau.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُؤشّر مستوى سائل</name>
         <name lang="it">Indicatore del livello del liquido</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-5" y="-10" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
         <arc width="30" x="-5" y="-30" antialias="true" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-45" angle="-90"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/indicateur_pression.elmt b/elements/15mecanique/pneumatique/traitement_air/indicateur_pression.elmt
index 19f8d894a..2bec71098 100644
--- a/elements/15mecanique/pneumatique/traitement_air/indicateur_pression.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/indicateur_pression.elmt
@@ -8,7 +8,8 @@
         <name lang="ar">مُؤشّر ضغط</name>
         <name lang="it">Indicatore di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="10" y2="10" x2="10"/>
         <circle x="-5" y="-30" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/lubrificateur.elmt b/elements/15mecanique/pneumatique/traitement_air/lubrificateur.elmt
index e6b8dd6b5..c7035254b 100644
--- a/elements/15mecanique/pneumatique/traitement_air/lubrificateur.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/lubrificateur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مزيتة</name>
         <name lang="it">Lubrificatore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="50" y="19" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="16" x1="30" y2="0" x2="13"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/manometre.elmt b/elements/15mecanique/pneumatique/traitement_air/manometre.elmt
index 0c6190eea..5465361bb 100644
--- a/elements/15mecanique/pneumatique/traitement_air/manometre.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/manometre.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس ضغط</name>
         <name lang="it">Manometro</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="13" y="5" size="9" rotate="true" text="_"/>
         <circle x="-12" y="-36" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="24"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/manometre_1.elmt b/elements/15mecanique/pneumatique/traitement_air/manometre_1.elmt
index c0eb2354b..abad26789 100644
--- a/elements/15mecanique/pneumatique/traitement_air/manometre_1.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/manometre_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس ضغط</name>
         <name lang="it">Manometro</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-6" x1="19" y2="-21" x2="4"/>
         <circle x="-5" y="-30" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/manometre_differentiel.elmt b/elements/15mecanique/pneumatique/traitement_air/manometre_differentiel.elmt
index 481853907..9db490723 100644
--- a/elements/15mecanique/pneumatique/traitement_air/manometre_differentiel.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/manometre_differentiel.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس ضغط تفاضلي</name>
         <name lang="it">Manometro differenziale</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="0" y2="10" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-6" x1="14" y2="-21" x2="-1"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/manostat.elmt b/elements/15mecanique/pneumatique/traitement_air/manostat.elmt
index 20bdc3639..3602ab4df 100644
--- a/elements/15mecanique/pneumatique/traitement_air/manostat.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/manostat.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">راصد ضغط</name>
         <name lang="it">Pressostato</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="8" y="10" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="-69" y2="-14" x2="-80"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/mise_en_pression.elmt b/elements/15mecanique/pneumatique/traitement_air/mise_en_pression.elmt
index 7c415d0aa..401eba9d5 100644
--- a/elements/15mecanique/pneumatique/traitement_air/mise_en_pression.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/mise_en_pression.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام لتوصيل الضغط, تحكّم نيوماتي</name>
         <name lang="it">Valvola di riempimento pneumatica</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="16" y="-48" size="9" rotate="true" text="_"/>
         <arc width="6" x="-8" y="-34" antialias="true" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black" start="50" angle="-100"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/mise_en_pression_progressive_electrique.elmt b/elements/15mecanique/pneumatique/traitement_air/mise_en_pression_progressive_electrique.elmt
index 638b0e9a3..2666c89ec 100644
--- a/elements/15mecanique/pneumatique/traitement_air/mise_en_pression_progressive_electrique.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/mise_en_pression_progressive_electrique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام توصيل ضغط بدائرة كهربائية ذات أولوية</name>
         <name lang="it">Valvola di riempimento, con comando elettrico prioritario</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="37" y="1" size="9" rotate="true" text="_"/>
         <line length1="2" length2="1.5" antialias="true" end1="triangle" end2="none" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-28" x1="9" y2="-21" x2="-6"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/modulateur_pression_ep.elmt b/elements/15mecanique/pneumatique/traitement_air/modulateur_pression_ep.elmt
index c668b7adb..9c1fb5253 100644
--- a/elements/15mecanique/pneumatique/traitement_air/modulateur_pression_ep.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/modulateur_pression_ep.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُعدّل ضغط E/P</name>
         <name lang="it">Regolatore di pressione E/P</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="13" y="10" size="9" rotate="true" text="_"/>
         <circle x="-42" y="-66" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="24"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/pression_analogique.elmt b/elements/15mecanique/pneumatique/traitement_air/pression_analogique.elmt
index 3135acb8b..630a01d86 100644
--- a/elements/15mecanique/pneumatique/traitement_air/pression_analogique.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/pression_analogique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">حسّاس ضغط تماثلي</name>
         <name lang="it">Analogico / pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="30" x="10" y="-25" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <arc width="6" x="30" y="-6" antialias="true" height="6" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-180" angle="-180"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/refroidisseur.elmt b/elements/15mecanique/pneumatique/traitement_air/refroidisseur.elmt
index 370b9e60a..70c0203cf 100644
--- a/elements/15mecanique/pneumatique/traitement_air/refroidisseur.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/refroidisseur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُبرّد</name>
         <name lang="it">Raffreddatore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-25" x1="20" y2="5" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-10" x2="50"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/regulateur_pression.elmt b/elements/15mecanique/pneumatique/traitement_air/regulateur_pression.elmt
index 017b46bd3..47ee3223a 100644
--- a/elements/15mecanique/pneumatique/traitement_air/regulateur_pression.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/regulateur_pression.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُعدّل ضغط</name>
         <name lang="it">Regolatore di pressione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="17" y="10" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-66" x1="-12" y2="-77" x2="-23"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/regulator_temp.elmt b/elements/15mecanique/pneumatique/traitement_air/regulator_temp.elmt
index 15d8f889b..0722b3d2c 100644
--- a/elements/15mecanique/pneumatique/traitement_air/regulator_temp.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/regulator_temp.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُعدّل حرارة</name>
         <name lang="it">Regolatore di temperatura</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="18" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="4.5" x1="18" y2="4.5" x2="22" y3="9.5" x3="20" y4="4.5"/>
         <polygon x4="20" y5="-10" x5="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="0" y2="-30" x2="20" y3="-10" x3="40" y4="10"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/repartiteur.elmt b/elements/15mecanique/pneumatique/traitement_air/repartiteur.elmt
index 25b1480f4..40f999ca2 100644
--- a/elements/15mecanique/pneumatique/traitement_air/repartiteur.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/repartiteur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع</name>
         <name lang="it">Ripartitore</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="circle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="24" x1="20" y2="-1" x2="20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="circle" end2="none" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="2" x1="20" y2="-23" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/secheur_membrane.elmt b/elements/15mecanique/pneumatique/traitement_air/secheur_membrane.elmt
index b28813afd..2082a920c 100644
--- a/elements/15mecanique/pneumatique/traitement_air/secheur_membrane.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/secheur_membrane.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُجفّف بغشاء</name>
         <name lang="it">Essicatore a membrana</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="43" y="35" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="16" x1="30" y2="0" x2="13"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/separateur_purge_auto.elmt b/elements/15mecanique/pneumatique/traitement_air/separateur_purge_auto.elmt
index 0add42d6b..081b0cedd 100644
--- a/elements/15mecanique/pneumatique/traitement_air/separateur_purge_auto.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/separateur_purge_auto.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">فاصل بصرف آلي</name>
         <name lang="it">Separatore con spurgo automatico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="12" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-1" x1="12" y2="7" x2="20" y3="-1" x3="28" y4="-1"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="20" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/sil_pneum.elmt b/elements/15mecanique/pneumatique/traitement_air/sil_pneum.elmt
index 5aed901c8..de0c40cfc 100644
--- a/elements/15mecanique/pneumatique/traitement_air/sil_pneum.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/sil_pneum.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">كاتم صوت نيوماتي</name>
         <name lang="it">Silenziatore pneumatico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="10" x="-5" y="-20" antialias="false" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="-2" y2="-15" x2="5"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/tachymetre.elmt b/elements/15mecanique/pneumatique/traitement_air/tachymetre.elmt
index b23e4aae9..daa54217c 100644
--- a/elements/15mecanique/pneumatique/traitement_air/tachymetre.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/tachymetre.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس سرعة تاكومتر</name>
         <name lang="it">Tachimetro</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="8" y="-27" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="24"/>
         <polygon x4="18" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-29" x1="18" y2="-25" x2="18" y3="-27" x3="23" y4="-29"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/termometr.elmt b/elements/15mecanique/pneumatique/traitement_air/termometr.elmt
index 38ad2a16c..7591ea4cf 100644
--- a/elements/15mecanique/pneumatique/traitement_air/termometr.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/termometr.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس حرارة</name>
         <name lang="it">Termometro</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-25" x1="10" y2="-8" x2="10"/>
         <circle x="-5" y="-30" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="30"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/torque.elmt b/elements/15mecanique/pneumatique/traitement_air/torque.elmt
index 9eff606fd..ce249f2b7 100644
--- a/elements/15mecanique/pneumatique/traitement_air/torque.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/torque.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مقياس عزم</name>
         <name lang="it">Misuratore di coppia</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-27" x1="20" y2="-3" x2="20"/>
         <polygon x4="11" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-5" x1="11" y2="-7" x2="13" y3="-10" x3="9" y4="-5"/>
diff --git a/elements/15mecanique/pneumatique/traitement_air/vanne_vidange.elmt b/elements/15mecanique/pneumatique/traitement_air/vanne_vidange.elmt
index 74c93475c..ed473c0ac 100644
--- a/elements/15mecanique/pneumatique/traitement_air/vanne_vidange.elmt
+++ b/elements/15mecanique/pneumatique/traitement_air/vanne_vidange.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام تصريف</name>
         <name lang="it">Valvola di scarico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="20" x2="20"/>
         <polygon x4="20" y5="-10" x5="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="0" y2="-30" x2="20" y3="-10" x3="40" y4="10"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2.elmt
index fa4cf4c9f..9460a1ddc 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بتحكم كهربائي 2/2 , برافعة</name>
         <name lang="it">Elettrovalvola 2/2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-12" y="-30" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="-10" y2="-26" x2="-10"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2_1.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2_1.elmt
index 016c38684..1d86fda85 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2_1.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_2_2_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام محكوم كهربائيا 2/2 , برافعة</name>
         <name lang="it">Elettrovalvola 2/2 con leva</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="71" y5="-12" x5="73" y6="-20" x6="75" y7="-15" x7="77" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-15" x1="65" y2="-20" x2="67" y3="-12" x3="69" y4="-20"/>
         <circle x="-12" y="-30" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="4"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_2.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_2.elmt
index a7772369f..0f05391f7 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_2.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بتحكم كهربائي 2/2 , بذراع , زمبرك إرجاع</name>
         <name lang="it">Elettrovalvola 2/2 con leva e molla obbligatoria</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="50" y2="6" x2="67"/>
         <polygon x4="75.05" y5="10.05" x5="75.05" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10.05" x1="75.05" y2="10.05" x2="15.05" y3="-19.95" x3="15.05" y4="-19.95"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_3.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_3.elmt
index 36efe3236..688579f4d 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_3.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_3_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع تحكم 3/3 , تحكم كهرومغناطيسي</name>
         <name lang="it">Distributore 3/3 di controllo, elettromagnetico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20.1" x1="69.95" y2="5.1" x2="69.95"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="50" y2="5" x2="50"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2.elmt
index f8f757fea..06b7bcbb3 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُوزّع تحكّم 4/2 , تحكّم بزرّ ضاغط</name>
         <name lang="it">Distributore 4/2 di controllo, comando a pulsante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="70" y2="-30" x2="70"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="50" y2="-17" x2="68"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_1.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_1.elmt
index ce11b747f..7c3954ff9 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_1.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام تحكّم 4/3 , مُغلق عند منتصف الموضع</name>
         <name lang="it">Valvola 4/3 di controllo, chiusa in posizione intermedia</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="90" x="5" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-22" x1="5" y2="-22" x2="95"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_2.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_2.elmt
index 1ed981919..574d29cbc 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_2.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام تحكّم 4/3 , مغلق عند منتصف الموضع</name>
         <name lang="it">Valvola 4/3 di controllo, chiusa in posizione intermedia</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="38.85" y="-6.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
         <circle x="58.85" y="-6.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_3.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_3.elmt
index e42a49d57..b515088e2 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_3.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام تحكّم 4/3 , تحكّم بزرّ ضاغط</name>
         <name lang="it">Valvola 4/3 di controllo, comando a pulsante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-23" x1="-3" y2="-14" x2="-3"/>
         <ellipse width="5" x="-5.5" y="-23" antialias="true" height="10" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_4.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_4.elmt
index 0e692bf3e..a2a8f883d 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_4.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_4_2_4.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام مُضاعف</name>
         <name lang="it">Servo-valvola, doppio solenoide</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-22" x1="5" y2="-22" x2="95"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="12" x1="5" y2="12" x2="95"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_2.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_2.elmt
index 7f9fcee9e..f18716438 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_2.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بتحكّم كهربائي 5/2 متحرّك بالضغط في الاتجاهين</name>
         <name lang="it">Elettroalvola 5/2 controllata dalla pressione nei due sensi</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5.85" x1="50" y2="-20.15" x2="50"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="5" x2="20"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_3.elmt b/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_3.elmt
index 2e72fe2f0..4d97e831a 100644
--- a/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_3.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/electrovanne_5_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بتكّم كهربائي 5/3</name>
         <name lang="it">Elettrovalvola 5/3</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="90" x="15" y="-20" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="50" y2="-30" x2="50"/>
diff --git a/elements/15mecanique/pneumatique/vannes_control/servo-valve_elec.elmt b/elements/15mecanique/pneumatique/vannes_control/servo-valve_elec.elmt
index 51487046f..8971b35b3 100644
--- a/elements/15mecanique/pneumatique/vannes_control/servo-valve_elec.elmt
+++ b/elements/15mecanique/pneumatique/vannes_control/servo-valve_elec.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام مُضاعف بتحكّم كهرومغناطيسي</name>
         <name lang="it">Servo-valvola elettromagnetica a due bobine</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-22" x1="15" y2="-22" x2="105"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="12" x1="15" y2="12" x2="105"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/clapet.elmt b/elements/15mecanique/pneumatique/vannes_logiques/clapet.elmt
index ac9f01504..85aa6204e 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/clapet.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/clapet.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام بدون زمبرك</name>
         <name lang="it">Valvola senza molla</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="0" y2="20" x2="0"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="0" y2="-4" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/clapet_1.elmt b/elements/15mecanique/pneumatique/vannes_logiques/clapet_1.elmt
index f8e1c9190..2dc6a5733 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/clapet_1.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/clapet_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام ضد الرجع بزمبرك</name>
         <name lang="it">Valvola di ritegno con molla</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="5" y5="-7" x5="-5" y6="-5" x6="5" y7="-4" x7="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-14" x1="0" y2="-13" x2="5" y3="-11" x3="-5" y4="-9"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="0" y2="20" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/clapet_2.elmt b/elements/15mecanique/pneumatique/vannes_logiques/clapet_2.elmt
index 5241a27ef..e8bb0ac3d 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/clapet_2.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/clapet_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صمّام ضد الرجع بزمبرك محكوم</name>
         <name lang="it">Valvola di ritegno a molla controllata</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="6" y2="15" x2="6"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="0" y2="-3" x2="0"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/clapet_3.elmt b/elements/15mecanique/pneumatique/vannes_logiques/clapet_3.elmt
index 7b6c62aaf..5a9302c50 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/clapet_3.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/clapet_3.elmt
@@ -9,7 +9,8 @@ retour piloté
         <name lang="ar">صمّام ضدّ الرجع محكوم</name>
         <name lang="it">Valvola di ritegno comandata</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="5" y2="-15" x2="7"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="9" y2="-15" x2="14"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/purge_rapide.elmt b/elements/15mecanique/pneumatique/vannes_logiques/purge_rapide.elmt
index dbb52544e..163613e9e 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/purge_rapide.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/purge_rapide.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">صرف سريع</name>
         <name lang="it">Spurgo rapido</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" x1="1" y2="-8" x2="5"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-21" x1="-5" y2="-25" x2="-5"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/selecteur.elmt b/elements/15mecanique/pneumatique/vannes_logiques/selecteur.elmt
index 235f879b6..1e1730fb3 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/selecteur.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/selecteur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُحدّد دائرة</name>
         <name lang="it">Selettore di circuito</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="28.85" y="-1.15" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" diameter="2.3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="30" y2="-30" x2="30"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/soupape_double.elmt b/elements/15mecanique/pneumatique/vannes_logiques/soupape_double.elmt
index 3f7848949..ba77a99b3 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/soupape_double.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/soupape_double.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مكبس إشارة مزدوجة (صمّام منطقي كفاية AND )</name>
         <name lang="it">Valvola di segnale doppia (ADN logico)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="30" y2="-15" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="46" y2="-8" x2="46"/>
diff --git a/elements/15mecanique/pneumatique/vannes_logiques/valve_echappement_rapide.elmt b/elements/15mecanique/pneumatique/vannes_logiques/valve_echappement_rapide.elmt
index 4c20196e4..aa822cad5 100644
--- a/elements/15mecanique/pneumatique/vannes_logiques/valve_echappement_rapide.elmt
+++ b/elements/15mecanique/pneumatique/vannes_logiques/valve_echappement_rapide.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">بوابة كفاية (OR)</name>
         <name lang="it">Porta logica OR</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="72" y="21" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="circle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-24" x1="40" y2="1" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/verins/muscle_pneumatique.elmt b/elements/15mecanique/pneumatique/verins/muscle_pneumatique.elmt
index 7fd265dff..ac3727f22 100644
--- a/elements/15mecanique/pneumatique/verins/muscle_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/verins/muscle_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة مرنة, عضلة نيوماتية</name>
         <name lang="it">Cilindro flessibile, muscolo pneumatico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-9" x1="60" y2="-9" x2="70"/>
         <polygon x4="60" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-7" x1="60" y2="-11" x2="60" y3="-9" x3="56" y4="-7"/>
diff --git a/elements/15mecanique/pneumatique/verins/pince_pneumatique.elmt b/elements/15mecanique/pneumatique/verins/pince_pneumatique.elmt
index 4c29516f2..3e4504636 100644
--- a/elements/15mecanique/pneumatique/verins/pince_pneumatique.elmt
+++ b/elements/15mecanique/pneumatique/verins/pince_pneumatique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">كمّاشة نيوماتية</name>
         <name lang="it">Pinza pneumatica</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-13" x1="60" y2="-11" x2="60"/>
         <polygon x4="59" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-13" x1="59" y2="-13" x2="61" y3="-16" x3="60" y4="-13"/>
diff --git a/elements/15mecanique/pneumatique/verins/pince_serrage_parrallele.elmt b/elements/15mecanique/pneumatique/verins/pince_serrage_parrallele.elmt
index 4244aad22..9a63e7004 100644
--- a/elements/15mecanique/pneumatique/verins/pince_serrage_parrallele.elmt
+++ b/elements/15mecanique/pneumatique/verins/pince_serrage_parrallele.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">قابض</name>
         <name lang="it">Pinze, parallele</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="59" y="11" size="9" rotate="true" text="_"/>
         <circle x="66" y="-27" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="6"/>
diff --git a/elements/15mecanique/pneumatique/verins/pneuride.elmt b/elements/15mecanique/pneumatique/verins/pneuride.elmt
index 1cc7f6d0d..153c116e7 100644
--- a/elements/15mecanique/pneumatique/verins/pneuride.elmt
+++ b/elements/15mecanique/pneumatique/verins/pneuride.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة منفاخ</name>
         <name lang="it">Cilindro a soffietto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="30" x="20" y="-20" antialias="true" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black" start="90" angle="-180"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="-10" y2="10" x2="50"/>
diff --git a/elements/15mecanique/pneumatique/verins/table_translation.elmt b/elements/15mecanique/pneumatique/verins/table_translation.elmt
index 088e5cce4..e40a1352c 100644
--- a/elements/15mecanique/pneumatique/verins/table_translation.elmt
+++ b/elements/15mecanique/pneumatique/verins/table_translation.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">طاولة متحرّكة نيوماتية بفعل مزدوج</name>
         <name lang="it">Traslatore pneumatico a doppio effetto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-4" y5="-27" x5="54" y6="-8" x6="54" y7="-8" x7="50" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" x1="50" y2="-23" x2="50" y3="-23" x3="-4" y4="-27"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="40" y2="10" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/verins/tandem.elmt b/elements/15mecanique/pneumatique/verins/tandem.elmt
index c50c04369..a72016c5b 100644
--- a/elements/15mecanique/pneumatique/verins/tandem.elmt
+++ b/elements/15mecanique/pneumatique/verins/tandem.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة جنب إلى جنب</name>
         <name lang="it">Cilindro tandem</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" x1="-10" y2="-8" x2="34"/>
         <polygon x4="106" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="-2" y2="0" x2="-2" y3="0" x3="106" y4="-7"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_2_tiges.elmt b/elements/15mecanique/pneumatique/verins/verin_2_tiges.elmt
index 9c6812636..aa7695abb 100644
--- a/elements/15mecanique/pneumatique/verins/verin_2_tiges.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_2_tiges.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بذراعين</name>
         <name lang="it">Cilindro a doppio stelo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-12" y2="0" x2="42"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" x1="42" y2="8" x2="42"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_cable.elmt b/elements/15mecanique/pneumatique/verins/verin_cable.elmt
index f9415c366..c4bfa7aa3 100644
--- a/elements/15mecanique/pneumatique/verins/verin_cable.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_cable.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بكايبل</name>
         <name lang="it">Cilindro a cavo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-22" x1="50" y2="-18" x2="50"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-22" x1="40" y2="-18" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet.elmt
index 5a3940f11..6a50fa513 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة وحيدة بفعل مزدوج ذات ذراع  بقفل نيوماتي</name>
         <name lang="it">Cilindro a doppio effetto con bloccaggio pneumatico dello stelo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="58" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-17" x1="58" y2="-15" x2="59" y3="-17" x3="62" y4="-17"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-12" x1="48" y2="-16" x2="59"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_1.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_1.elmt
index 4d3594d33..058ced2a2 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_1.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل مزدوج وذراع مُشغّل من الجانبين</name>
         <name lang="it">Cilindro doppio effetto, stelo sui due lati</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="42" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="-12" y2="0" x2="-12" y3="0" x3="42" y4="-8"/>
         <polygon x4="42" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-12" x1="-12" y2="-20" x2="-12" y3="-20" x3="42" y4="-12"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_2.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_2.elmt
index 69723f2c4..c589ba00f 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_2.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_2.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل مزدوج بتثبيط من جانب واحد ثابت</name>
         <name lang="it">Azionatore doppio effetto con inibizione unilaterale dei valori costanti</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="52" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-12" x1="-2" y2="-20" x2="-2" y3="-20" x3="52" y4="-12"/>
         <polygon x4="27" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-16" x1="27" y2="-16" x2="32" y3="-4" x3="32" y4="-4"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_3.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_3.elmt
index fd1c8679c..434491d2e 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_3.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_3.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُشغّل بفعل مزدوج بذراع فارغة</name>
         <name lang="it">azionatore doppio effetto con stelo cavo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-12" x1="-30" y2="-12" x2="50"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" x1="-30" y2="-8" x2="50"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_4.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_4.elmt
index 37daa66d5..b17aa309e 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_4.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_4.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُشغّل بفعل مزدوج ذو مكبح بتعديلين</name>
         <name lang="it">Azionatore doppio effetto con freno a due regolazioni</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-17" x1="11" y2="-1" x2="-4"/>
         <polygon x4="-1" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-17" x1="-1" y2="-17" x2="-7" y3="-3" x3="-7" y4="-3"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_5.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_5.elmt
index 8f8eb6773..a99c83636 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_5.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_5.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل مزدوج بتثبيط من جانب واحد ثابت</name>
         <name lang="it">Azionatore doppio effetto con inibizione dei valori costanti</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-12" y5="-20" x5="42" y6="-12" x6="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="42" y2="0" x2="42" y3="0" x3="-12" y4="-20"/>
         <polygon x4="0" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-16" x1="0" y2="-16" x2="5" y3="-4" x3="5" y4="-4"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique.elmt
index 47f415ddd..a02e54ed2 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل مزدوج</name>
         <name lang="it">Cilindro doppio effetto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="63" y="4" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-3" y2="-36" x2="51"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_1.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_1.elmt
index 020f63ab4..a95f34094 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_1.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_1.elmt
@@ -6,7 +6,8 @@
         <name lang="cs">Zdviháky s tyčí pístu napříč, válce pístnice s pístnicí napříč</name>
         <name lang="it">Cilindro a stelo attraversante</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="64" y="3" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-3" y2="-36" x2="51"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_amorti.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_amorti.elmt
index 4dfa0aa58..407a9f62e 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_amorti.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_amorti.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل مزدوج</name>
         <name lang="it">Cilindro a doppio effetto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="62" y="4" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-3" y2="-36" x2="51"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_bi_tige.elmt b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_bi_tige.elmt
index 6abecb6a7..fc089e4a5 100644
--- a/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_bi_tige.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_double_effet_magnetique_bi_tige.elmt
@@ -6,7 +6,8 @@
         <name lang="cs">Zdviháky s dvojitým pístem, válce s dvojitým pístem</name>
         <name lang="it">Cilindro a doppio effetto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="58" y="1" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-3" y2="-36" x2="51"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_impact.elmt b/elements/15mecanique/pneumatique/verins/verin_impact.elmt
index 3862b0e7e..bac8e63d3 100644
--- a/elements/15mecanique/pneumatique/verins/verin_impact.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_impact.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُشغّل نيوماتي تأثير</name>
         <name lang="it">Cilindro impatto pneumatico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="3" y2="0" x2="3"/>
         <polygon x4="-12" y5="-20" x5="42" y6="-12" x6="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="42" y2="0" x2="42" y3="0" x3="-12" y4="-20"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_menbrane.elmt b/elements/15mecanique/pneumatique/verins/verin_menbrane.elmt
index dab5f57f0..4697267dc 100644
--- a/elements/15mecanique/pneumatique/verins/verin_menbrane.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_menbrane.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">حامل مُشغّل بغشاء</name>
         <name lang="it">Supporto dell'attuatore a membrana</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="50" y2="-20" x2="50"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="-10" y2="-20" x2="-10"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_rotatif.elmt b/elements/15mecanique/pneumatique/verins/verin_rotatif.elmt
index 4a53cef73..752da601e 100644
--- a/elements/15mecanique/pneumatique/verins/verin_rotatif.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_rotatif.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُشغّل دوار</name>
         <name lang="it">Cilindro rotativo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="35" x="-5" y="-27" antialias="true" height="35" style="line-style:normal;line-weight:normal;filling:none;color:black" start="270" angle="180"/>
         <polygon x4="30" y5="-6" x5="30" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-14" x1="30" y2="-14" x2="46" y3="-6" x3="46" y4="-6"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_sans_tige.elmt b/elements/15mecanique/pneumatique/verins/verin_sans_tige.elmt
index 0486a874a..d1b2e0264 100644
--- a/elements/15mecanique/pneumatique/verins/verin_sans_tige.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_sans_tige.elmt
@@ -8,7 +8,8 @@ Vérin sans tige double effet avec amortissement réglable aux deux fins de cour
         <name lang="ar">اسطوانة بدون ذراع بفعل مزدوج و بإخماد قابل للتعديل عند نهايتي المشوار  (تحريك خطّي نيوماتي)</name>
         <name lang="it">Cilindro senza stelo, doppio effetto, con ammortizzazione regolabile ai fine corsa (azionamento pneumatico lineare)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="72" y5="30" x5="72" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="30" x1="72" y2="30" x2="-12" y3="-10" x3="-12" y4="-10"/>
         <polygon x4="20" y5="-20" x5="20" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" x1="20" y2="-20" x2="40" y3="40" x3="40" y4="40"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_sans_tige_2.elmt b/elements/15mecanique/pneumatique/verins/verin_sans_tige_2.elmt
index 1e4ca5737..e53708f1d 100644
--- a/elements/15mecanique/pneumatique/verins/verin_sans_tige_2.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_sans_tige_2.elmt
@@ -8,7 +8,8 @@ Vérin sans tige double effet avec amortissement réglable aux deux fins de cour
         <name lang="ar">اسطوانة بدون ذراع بفعل مزدوج و بإخماد قابل للتعديل عند نهايتي المشوار  (تحريك خطّي نيوماتي)</name>
         <name lang="it">Cilindro senza stelo, doppio effetto, con ammortizzazione regolabile ai fine corsa (azionamento pneumatico lineare)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="24" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-20" x1="6" y2="-25" x2="6" y3="-25" x3="24" y4="-20"/>
         <polygon x4="42" y5="0" x5="42" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="42" y2="0" x2="-12" y3="-20" x3="-12" y4="-20"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_sans_tige_magnetique_amorti.elmt b/elements/15mecanique/pneumatique/verins/verin_sans_tige_magnetique_amorti.elmt
index 7a2860152..0c1454902 100644
--- a/elements/15mecanique/pneumatique/verins/verin_sans_tige_magnetique_amorti.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_sans_tige_magnetique_amorti.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بدون ذراع</name>
         <name lang="it">Cilindro senza stelo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="58" y="8" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-12" x1="-3" y2="-36" x2="-3"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_simple_effet.elmt b/elements/15mecanique/pneumatique/verins/verin_simple_effet.elmt
index 56e2a0128..6a0bec0ec 100644
--- a/elements/15mecanique/pneumatique/verins/verin_simple_effet.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_simple_effet.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل وحيد</name>
         <name lang="it">Cilindro effetto singolo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="62" y="7" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-3" y2="-36" x2="51"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_simple_effet_1.elmt b/elements/15mecanique/pneumatique/verins/verin_simple_effet_1.elmt
index 42e016355..918a07ce4 100644
--- a/elements/15mecanique/pneumatique/verins/verin_simple_effet_1.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_simple_effet_1.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل وحيد</name>
         <name lang="it">Cilindro effetto singolo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-10" y2="10" x2="-10"/>
         <polygon x4="-12" y5="-20" x5="42" y6="-12" x6="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="42" y2="0" x2="42" y3="0" x3="-12" y4="-20"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_simple_effet_2.elmt b/elements/15mecanique/pneumatique/verins/verin_simple_effet_2.elmt
index fd3607070..6397e40be 100644
--- a/elements/15mecanique/pneumatique/verins/verin_simple_effet_2.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_simple_effet_2.elmt
@@ -8,7 +8,8 @@
         <name lang="ar">اسطوانة بفعل وحيد</name>
         <name lang="it">Cilindro effetto singolo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="9" y5="0" x5="16" y6="-20" x6="23" y7="0" x7="30" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="-12" y2="-20" x2="-5" y3="0" x3="2" y4="-20"/>
         <polygon x4="-12" y5="-20" x5="42" y6="-12" x6="42" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="42" y2="0" x2="42" y3="0" x3="-12" y4="-20"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_simple_effet_magnetique.elmt b/elements/15mecanique/pneumatique/verins/verin_simple_effet_magnetique.elmt
index 4d2e9c3f1..f5f61c323 100644
--- a/elements/15mecanique/pneumatique/verins/verin_simple_effet_magnetique.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_simple_effet_magnetique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بفعل وحيد</name>
         <name lang="it">Cilindro effetto singolo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="62" y="8" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-36" x1="-3" y2="-36" x2="51"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_soufflet.elmt b/elements/15mecanique/pneumatique/verins/verin_soufflet.elmt
index 9a5940ab1..c1e8705ca 100644
--- a/elements/15mecanique/pneumatique/verins/verin_soufflet.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_soufflet.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة بمنفاخ</name>
         <name lang="it">Cilindro a soffietto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="20" x="5" y="-36" antialias="true" height="24" style="line-style:normal;line-weight:normal;filling:none;color:black" start="270" angle="180"/>
         <arc width="20" x="-23" y="-36" antialias="true" height="24" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-90" angle="-180"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_tandem.elmt b/elements/15mecanique/pneumatique/verins/verin_tandem.elmt
index ab70c22f1..03371b108 100644
--- a/elements/15mecanique/pneumatique/verins/verin_tandem.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_tandem.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُشغّل نيوماتي "جنب إلى جنب" بفعل مزدوج بذراع مكبس وحيد</name>
         <name lang="it">Cilindro "tandem" doppio effetto con stelo unico</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-12" y5="-20" x5="96" y6="-12" x6="96" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-8" x1="96" y2="0" x2="96" y3="0" x3="-12" y4="-20"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="40" y2="10" x2="40"/>
diff --git a/elements/15mecanique/pneumatique/verins/verin_telescopique.elmt b/elements/15mecanique/pneumatique/verins/verin_telescopique.elmt
index 5564f6934..0196997ed 100644
--- a/elements/15mecanique/pneumatique/verins/verin_telescopique.elmt
+++ b/elements/15mecanique/pneumatique/verins/verin_telescopique.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">اسطوانة (محرك) تيليسكوبي نيوماتي بفعل وحيد</name>
         <name lang="it">Cilindro (motore) telescopico, effetto singolo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-16" x1="0" y2="-16" x2="55" y3="-12" x3="55"/>
         <polygon x4="-12" y5="0" x5="42" y6="-4" x6="42" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-16" x1="42" y2="-20" x2="42" y3="-20" x3="-12" y4="0"/>
diff --git a/elements/15mecanique/pneumatique/vide/ejecteur.elmt b/elements/15mecanique/pneumatique/vide/ejecteur.elmt
index 4d42a056b..613575441 100644
--- a/elements/15mecanique/pneumatique/vide/ejecteur.elmt
+++ b/elements/15mecanique/pneumatique/vide/ejecteur.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُولّد فراغ</name>
         <name lang="it">Generatore di vuoto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="36" y5="-21" x5="36" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-21" x1="36" y2="-27" x2="36" y3="-24" x3="42" y4="-21"/>
         <input x="13" y="9" size="9" rotate="true" text="_"/>
diff --git a/elements/15mecanique/pneumatique/vide/filtre_vide.elmt b/elements/15mecanique/pneumatique/vide/filtre_vide.elmt
index fd09b087f..c223f1c9e 100644
--- a/elements/15mecanique/pneumatique/vide/filtre_vide.elmt
+++ b/elements/15mecanique/pneumatique/vide/filtre_vide.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">مُرشّح فراغي</name>
         <name lang="it">Filtro a vuoto</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="47" y="19" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="13" y2="-16" x2="30"/>
diff --git a/elements/15mecanique/pneumatique/vide/ventouse.elmt b/elements/15mecanique/pneumatique/vide/ventouse.elmt
index c478217fc..46b56ddad 100644
--- a/elements/15mecanique/pneumatique/vide/ventouse.elmt
+++ b/elements/15mecanique/pneumatique/vide/ventouse.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">شفّاط فراغي</name>
         <name lang="it">Pinza vuoto (ventosa)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="8" y="10" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="0" y2="18" x2="0"/>
diff --git a/elements/16semiconducteurs/arduino/capteur_ultrasons_hc-sr04.elmt b/elements/16semiconducteurs/arduino/capteur_ultrasons_hc-sr04.elmt
index b58ed211b..595ef1169 100644
--- a/elements/16semiconducteurs/arduino/capteur_ultrasons_hc-sr04.elmt
+++ b/elements/16semiconducteurs/arduino/capteur_ultrasons_hc-sr04.elmt
@@ -6,7 +6,8 @@
         <name lang="pl">Ultradźwiękowy czujnik odległości HC-SR04</name>
         <name lang="cs">Ultrazvukové vzdálenostní čidlo HC-SR04</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="7" y="-9" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="22"/>
         <text x="11" y="2" size="6" rotation="90" text="Gnd"/>
diff --git a/elements/16semiconducteurs/circuit_integre/i16.elmt b/elements/16semiconducteurs/circuit_integre/i16.elmt
index 55e920001..ac40992d7 100644
--- a/elements/16semiconducteurs/circuit_integre/i16.elmt
+++ b/elements/16semiconducteurs/circuit_integre/i16.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 16 nóżek</name>
         <name lang="cs">Integrovaný obvod, 16 kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-30" y2="0" x2="-21"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="80" x1="-30" y2="80" x2="-21"/>
diff --git a/elements/16semiconducteurs/circuit_integre/i20.elmt b/elements/16semiconducteurs/circuit_integre/i20.elmt
index 4a554dfd5..419a50e8d 100644
--- a/elements/16semiconducteurs/circuit_integre/i20.elmt
+++ b/elements/16semiconducteurs/circuit_integre/i20.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 20 nóżek</name>
         <name lang="cs">Integrovaný obvod, 20 kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="60" x1="21" y2="60" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="60" x1="-30" y2="60" x2="-21"/>
diff --git a/elements/16semiconducteurs/circuit_integre/i20n.elmt b/elements/16semiconducteurs/circuit_integre/i20n.elmt
index cd90c0013..907081001 100644
--- a/elements/16semiconducteurs/circuit_integre/i20n.elmt
+++ b/elements/16semiconducteurs/circuit_integre/i20n.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 20 nóżek (ponumerowany)</name>
         <name lang="cs">Integrovaný obvod, 20 očíslovaných kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <text x="-19" y="80.6667" size="5" text="10"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="60" x1="21" y2="60" x2="30"/>
diff --git a/elements/16semiconducteurs/circuit_integre/ic16n.elmt b/elements/16semiconducteurs/circuit_integre/ic16n.elmt
index 25d9527e9..bd3c06398 100644
--- a/elements/16semiconducteurs/circuit_integre/ic16n.elmt
+++ b/elements/16semiconducteurs/circuit_integre/ic16n.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 16 nóżek (ponumerowany)</name>
         <name lang="cs">Integrovaný obvod, 16 očíslovaných kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-30" y2="0" x2="-21"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="80" x1="-30" y2="80" x2="-21"/>
diff --git a/elements/16semiconducteurs/circuit_integre/ic24.elmt b/elements/16semiconducteurs/circuit_integre/ic24.elmt
index b28a508c5..30118b114 100644
--- a/elements/16semiconducteurs/circuit_integre/ic24.elmt
+++ b/elements/16semiconducteurs/circuit_integre/ic24.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 24 nóżki</name>
         <name lang="cs">Integrovaný obvod, 24 kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="80" x1="-30" y2="80" x2="-21"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="80" x1="21" y2="80" x2="30"/>
diff --git a/elements/16semiconducteurs/circuit_integre/ic24n.elmt b/elements/16semiconducteurs/circuit_integre/ic24n.elmt
index 39210b268..01c3709f0 100644
--- a/elements/16semiconducteurs/circuit_integre/ic24n.elmt
+++ b/elements/16semiconducteurs/circuit_integre/ic24n.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 24 nóżki (ponumerowany)</name>
         <name lang="cs">Integrovaný obvod, 24 očíslovaných kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <text x="10.5" y="80.6667" size="5" text="14"/>
         <text x="10" y="100.667" size="5" text="13"/>
diff --git a/elements/16semiconducteurs/circuit_integre/ic8.elmt b/elements/16semiconducteurs/circuit_integre/ic8.elmt
index 8291cbdbb..6439ff8a1 100644
--- a/elements/16semiconducteurs/circuit_integre/ic8.elmt
+++ b/elements/16semiconducteurs/circuit_integre/ic8.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 8 nóżek</name>
         <name lang="cs">Integrovaný obvod, 8 kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-30" y2="0" x2="-21"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="-30" y2="20" x2="-21"/>
diff --git a/elements/16semiconducteurs/circuit_integre/ic8n.elmt b/elements/16semiconducteurs/circuit_integre/ic8n.elmt
index 300c531d2..d5819776b 100644
--- a/elements/16semiconducteurs/circuit_integre/ic8n.elmt
+++ b/elements/16semiconducteurs/circuit_integre/ic8n.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Układ scalony, 8 nóżek (ponumerowany)</name>
         <name lang="cs">Integrovaný obvod, 8 očíslovaných kolíků</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="20" x1="21" y2="20" x2="30"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="21" y2="0" x2="30"/>
diff --git a/elements/16semiconducteurs/connectors/pin_connector_1.elmt b/elements/16semiconducteurs/connectors/pin_connector_1.elmt
index 071becc98..94bb18263 100644
--- a/elements/16semiconducteurs/connectors/pin_connector_1.elmt
+++ b/elements/16semiconducteurs/connectors/pin_connector_1.elmt
@@ -8,7 +8,8 @@
         <name lang="cs">Spojka, 1 kolík</name>
         <name lang="it">Connettore, 1 pin</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="-5.5" y="21" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="simple" end2="simple" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="-5" y2="5" x2="5"/>
diff --git a/elements/16semiconducteurs/connectors/pin_connector_2.elmt b/elements/16semiconducteurs/connectors/pin_connector_2.elmt
index 85e449b7f..5ac0cca3b 100644
--- a/elements/16semiconducteurs/connectors/pin_connector_2.elmt
+++ b/elements/16semiconducteurs/connectors/pin_connector_2.elmt
@@ -8,7 +8,8 @@
         <name lang="cs">Spojka, 2 kolíky</name>
         <name lang="it">Connettore, 2 pin</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="-5.5" y="21" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="simple" end2="simple" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="-5" y2="5" x2="5"/>
diff --git a/elements/16semiconducteurs/connectors/pin_connector_4.elmt b/elements/16semiconducteurs/connectors/pin_connector_4.elmt
index 0be3f706e..e58ae8f2e 100644
--- a/elements/16semiconducteurs/connectors/pin_connector_4.elmt
+++ b/elements/16semiconducteurs/connectors/pin_connector_4.elmt
@@ -8,7 +8,8 @@
         <name lang="cs">Spojka, 4 kolíky</name>
         <name lang="it">Connettore, 4 pin</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="-25.5" y="21" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="simple" end2="simple" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="-25" y2="5" x2="-15"/>
diff --git a/elements/16semiconducteurs/connectors/pin_connector_5.elmt b/elements/16semiconducteurs/connectors/pin_connector_5.elmt
index 64de5caca..66cbcec5f 100644
--- a/elements/16semiconducteurs/connectors/pin_connector_5.elmt
+++ b/elements/16semiconducteurs/connectors/pin_connector_5.elmt
@@ -8,7 +8,8 @@
         <name lang="cs">Spojka, 5 kolíků</name>
         <name lang="it">Connettore, 5 pin</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="-25.5" y="21" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="simple" end2="simple" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="-25" y2="5" x2="-15"/>
diff --git a/elements/16semiconducteurs/connectors/pin_connector_6.elmt b/elements/16semiconducteurs/connectors/pin_connector_6.elmt
index 2e4199449..8a6e94ccf 100644
--- a/elements/16semiconducteurs/connectors/pin_connector_6.elmt
+++ b/elements/16semiconducteurs/connectors/pin_connector_6.elmt
@@ -8,7 +8,8 @@
         <name lang="cs">Spojka, 6 kolíků</name>
         <name lang="it">Connettore, 6 pin</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="-25.5" y="21" size="9" rotate="true" text="_"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="simple" end2="simple" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-5" x1="-25" y2="5" x2="-15"/>
diff --git a/elements/16semiconducteurs/connectors/usb2.elmt b/elements/16semiconducteurs/connectors/usb2.elmt
index d255fd9bc..a58fd6079 100644
--- a/elements/16semiconducteurs/connectors/usb2.elmt
+++ b/elements/16semiconducteurs/connectors/usb2.elmt
@@ -8,7 +8,8 @@
         <name lang="cs">Spojka USB, USB 1 a 2</name>
         <name lang="it">Connettore USB 1 e 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="50" y5="-13" x5="50" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="17" x1="50" y2="7" x2="40" y3="-3" x3="40" y4="-13"/>
         <input x="48.5" y="46" size="9" rotate="true" text="_"/>
diff --git a/elements/16semiconducteurs/diodes/pont_de_graetz.elmt b/elements/16semiconducteurs/diodes/pont_de_graetz.elmt
index fbb646207..45454c134 100644
--- a/elements/16semiconducteurs/diodes/pont_de_graetz.elmt
+++ b/elements/16semiconducteurs/diodes/pont_de_graetz.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Mostek Graetz`a</name>
         <name lang="cs">Graetzův most</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-3" x1="21" y2="3" x2="21"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="18" y2="0" x2="24"/>
diff --git a/elements/16semiconducteurs/transistors/transistor_npn.elmt b/elements/16semiconducteurs/transistors/transistor_npn.elmt
index 15d181dc3..2802ab060 100644
--- a/elements/16semiconducteurs/transistors/transistor_npn.elmt
+++ b/elements/16semiconducteurs/transistors/transistor_npn.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Tranzystor NPN</name>
         <name lang="cs">Tranzistor NPN</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-1" y5="4" x5="1" y6="4" x6="1" antialias="false" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="4" x1="1" y2="1" x2="3" y3="6" x3="4" y4="7"/>
         <polygon x4="10" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="-5" y2="-10" x2="10" y3="-17" x3="10" y4="-17"/>
diff --git a/elements/17rlc/inductances/monofilaires/inductance.elmt b/elements/17rlc/inductances/monofilaires/inductance.elmt
index 77605decd..46352e529 100644
--- a/elements/17rlc/inductances/monofilaires/inductance.elmt
+++ b/elements/17rlc/inductances/monofilaires/inductance.elmt
@@ -6,7 +6,8 @@
         <name lang="pl">Cewka (forma 1)</name>
         <name lang="cs">Cívka (forma 1)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="0" y2="30" x2="0"/>
         <input x="17" y="0" size="9" rotate="true" text="_"/>
diff --git a/elements/17rlc/inductances/normaux/inductance1.elmt.elmt b/elements/17rlc/inductances/normaux/inductance1.elmt.elmt
index 204b7570a..c008b02fe 100644
--- a/elements/17rlc/inductances/normaux/inductance1.elmt.elmt
+++ b/elements/17rlc/inductances/normaux/inductance1.elmt.elmt
@@ -6,7 +6,8 @@
         <name lang="pl">Inductance</name>
         <name lang="cs">Cívka (forma 1)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="5" x="-10" y="-2.5" antialias="true" height="5" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-180" angle="-180"/>
         <arc width="5" x="5" y="-2.5" antialias="true" height="5" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-180" angle="-180"/>
diff --git a/elements/17rlc/inductances/normaux/inductance2.elmt.elmt b/elements/17rlc/inductances/normaux/inductance2.elmt.elmt
index 417f9695d..fb313dc04 100644
--- a/elements/17rlc/inductances/normaux/inductance2.elmt.elmt
+++ b/elements/17rlc/inductances/normaux/inductance2.elmt.elmt
@@ -6,7 +6,8 @@
         <name lang="pl">Cewka (forma 2)</name>
         <name lang="cs">Cívka (forma 2)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="5" x="-10" y="-2.5" antialias="true" height="5" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-180" angle="-180"/>
         <arc width="5" x="5" y="-2.5" antialias="true" height="5" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-180" angle="-180"/>
diff --git a/elements/17rlc/normaux/potentiometre.elmt b/elements/17rlc/normaux/potentiometre.elmt
index 7a5b6bacc..a15af01c5 100644
--- a/elements/17rlc/normaux/potentiometre.elmt
+++ b/elements/17rlc/normaux/potentiometre.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Potencjometr</name>
         <name lang="cs">Potenciometr</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="0" x1="-15" y2="0" x2="-5"/>
         <input x="7.5" y="3.3333" size="9" rotate="true" text="R_"/>
diff --git a/elements/17rlc/normaux/resistance.elmt b/elements/17rlc/normaux/resistance.elmt
index d88ea354d..369dbd738 100644
--- a/elements/17rlc/normaux/resistance.elmt
+++ b/elements/17rlc/normaux/resistance.elmt
@@ -12,7 +12,8 @@
         <name lang="es">Resistencia</name>
         <name lang="cs">Odporník</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="8" x="-4" y="-10" antialias="false" height="20" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <input x="7.5" y="3.3333" size="9" rotate="true" text="R_"/>
diff --git a/elements/20nomenclatures/bases/nomenclature/ligne_tab_nomenclature.elmt b/elements/20nomenclatures/bases/nomenclature/ligne_tab_nomenclature.elmt
index 254ed4e53..778cf717e 100644
--- a/elements/20nomenclatures/bases/nomenclature/ligne_tab_nomenclature.elmt
+++ b/elements/20nomenclatures/bases/nomenclature/ligne_tab_nomenclature.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Tabliczka rysunkowa - wiersz</name>
         <name lang="cs">Čára nomenklaturní tabulky</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="107" y="7" size="6" rotate="true" text=""/>
         <input x="407" y="7" size="6" rotate="true" text=""/>
diff --git a/elements/20nomenclatures/bases/nomenclature/nomenclature_section.elmt b/elements/20nomenclatures/bases/nomenclature/nomenclature_section.elmt
index cbdf4b348..24e6438e0 100644
--- a/elements/20nomenclatures/bases/nomenclature/nomenclature_section.elmt
+++ b/elements/20nomenclatures/bases/nomenclature/nomenclature_section.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przekrój poprzeczny przewodu</name>
         <name lang="cs">Část členění</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <input x="0" y="0" size="6" rotate="true" text="_"/>
         <text x="48" y="-3.6666" size="4" text="2"/>
diff --git a/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature-el.elmt b/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature-el.elmt
index 56301f6a1..d19f095dc 100644
--- a/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature-el.elmt
+++ b/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature-el.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Tabliczka rysunkowa - tytuł</name>
         <name lang="cs">Název nomenklaturní tabulky</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <text x="250" y="-10" size="15" text="ΥΠΟΜΝΗΜΑ"/>
         <rect width="650" x="0" y="-30" antialias="false" height="30" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
diff --git a/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature.elmt b/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature.elmt
index 4cb0bcfa9..5f63fd205 100644
--- a/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature.elmt
+++ b/elements/20nomenclatures/bases/nomenclature/titre_tab_nomenclature.elmt
@@ -9,7 +9,8 @@
         <name lang="pl">Tabliczka rysunkowa - tytuł</name>
         <name lang="cs">Název nomenklaturní tabulky</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <text x="250" y="-10" size="15" text="NOMENCLATURE"/>
         <rect width="650" x="0" y="-30" antialias="false" height="30" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
diff --git a/elements/20nomenclatures/references/ref_bobine_2_h.elmt b/elements/20nomenclatures/references/ref_bobine_2_h.elmt
index 572735c47..f82207f7a 100644
--- a/elements/20nomenclatures/references/ref_bobine_2_h.elmt
+++ b/elements/20nomenclatures/references/ref_bobine_2_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - cewka (poziomo)</name>
         <name lang="cs">Odkaz - cívka (vodorovná)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="2.95" x1="0.0001" y2="0.95" x2="0.0001"/>
         <rect width="6" x="-3" y="2.95" antialias="false" height="4" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/20nomenclatures/references/ref_bobine_2_v.elmt b/elements/20nomenclatures/references/ref_bobine_2_v.elmt
index 9bddc45e2..02d74c58c 100644
--- a/elements/20nomenclatures/references/ref_bobine_2_v.elmt
+++ b/elements/20nomenclatures/references/ref_bobine_2_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - cewka (pionowo)</name>
         <name lang="cs">Odkaz - cívka (svislá)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-4" x1="2.9667" y2="-6" x2="2.9667"/>
         <rect width="6" x="-0.0334" y="-4" antialias="false" height="4" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/20nomenclatures/references/ref_bobine_h.elmt b/elements/20nomenclatures/references/ref_bobine_h.elmt
index 65dbfcac8..eb811580f 100644
--- a/elements/20nomenclatures/references/ref_bobine_h.elmt
+++ b/elements/20nomenclatures/references/ref_bobine_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 4 (poziomo)</name>
         <name lang="cs">Odkaz - cívka (vodorovná)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="2.95" x1="0.0001" y2="0.95" x2="0.0001"/>
         <rect width="6" x="-3" y="2.95" antialias="false" height="4" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/20nomenclatures/references/ref_bobine_v.elmt b/elements/20nomenclatures/references/ref_bobine_v.elmt
index 191ba054c..5584982a5 100644
--- a/elements/20nomenclatures/references/ref_bobine_v.elmt
+++ b/elements/20nomenclatures/references/ref_bobine_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 4 (pionowo)</name>
         <name lang="cs">Odkaz - cívka (svislá)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-4" x1="2.9667" y2="-6" x2="2.9667"/>
         <rect width="6" x="-0.0334" y="-4" antialias="false" height="4" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/20nomenclatures/references/ref_contact_2_nc_h.elmt b/elements/20nomenclatures/references/ref_contact_2_nc_h.elmt
index 2b4742def..fbb190d5b 100644
--- a/elements/20nomenclatures/references/ref_contact_2_nc_h.elmt
+++ b/elements/20nomenclatures/references/ref_contact_2_nc_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - zestyk rozwierny (poziomo)</name>
         <name lang="cs">Odkaz - kontakt NC (vodorovný)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="3" x1="-8" y2="5" x2="0" y3="5" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="3" x1="-8" y2="4" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_2_nc_v.elmt b/elements/20nomenclatures/references/ref_contact_2_nc_v.elmt
index b24afe39a..46a7e9cad 100644
--- a/elements/20nomenclatures/references/ref_contact_2_nc_v.elmt
+++ b/elements/20nomenclatures/references/ref_contact_2_nc_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - zestyk rozwierny (pionowo)</name>
         <name lang="cs">Odkaz - kontakt NC (svislý)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-17" x1="-8" y2="-15" x2="0" y3="-15" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-17" x1="-8" y2="-16" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_2_no_h.elmt b/elements/20nomenclatures/references/ref_contact_2_no_h.elmt
index 34dcebd04..4a814a7f9 100644
--- a/elements/20nomenclatures/references/ref_contact_2_no_h.elmt
+++ b/elements/20nomenclatures/references/ref_contact_2_no_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - zestyk zwierny (poziomo)</name>
         <name lang="cs">Odkaz - kontakt NO (vodorovný)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="7" x1="-8" y2="5" x2="0" y3="5" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-10" y2="5" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_2_no_v.elmt b/elements/20nomenclatures/references/ref_contact_2_no_v.elmt
index 5af525e5a..b4fedec04 100644
--- a/elements/20nomenclatures/references/ref_contact_2_no_v.elmt
+++ b/elements/20nomenclatures/references/ref_contact_2_no_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - zestyk zwierny (poziomo)</name>
         <name lang="cs">Odkaz - kontakt NO (svislý)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-13" x1="-8" y2="-15" x2="0" y3="-15" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="-10" y2="-15" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_nc_h.elmt b/elements/20nomenclatures/references/ref_contact_nc_h.elmt
index c8c27b55d..fb5d5ff37 100644
--- a/elements/20nomenclatures/references/ref_contact_nc_h.elmt
+++ b/elements/20nomenclatures/references/ref_contact_nc_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 2 (poziomo)</name>
         <name lang="cs">Odkaz_2 - kontakt NC (vodorovný)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="3" x1="-8" y2="5" x2="0" y3="5" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="3" x1="-8" y2="4" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_nc_v.elmt b/elements/20nomenclatures/references/ref_contact_nc_v.elmt
index 6586d86cc..4465ab5ff 100644
--- a/elements/20nomenclatures/references/ref_contact_nc_v.elmt
+++ b/elements/20nomenclatures/references/ref_contact_nc_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 2 (pionowo)</name>
         <name lang="cs">Odkaz_2 - kontakt NC (vodorovný)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-17" x1="-8" y2="-15" x2="0" y3="-15" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-17" x1="-8" y2="-16" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_no_h.elmt b/elements/20nomenclatures/references/ref_contact_no_h.elmt
index 7c39823f3..44d293158 100644
--- a/elements/20nomenclatures/references/ref_contact_no_h.elmt
+++ b/elements/20nomenclatures/references/ref_contact_no_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 1 (poziomo)</name>
         <name lang="cs">Odkaz_1 - kontakt NO (vodorovný)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="7" x1="-8" y2="5" x2="0" y3="5" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="5" x1="-10" y2="5" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_contact_no_v.elmt b/elements/20nomenclatures/references/ref_contact_no_v.elmt
index 8c48adbd6..32e90e503 100644
--- a/elements/20nomenclatures/references/ref_contact_no_v.elmt
+++ b/elements/20nomenclatures/references/ref_contact_no_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 1 (pionowo)</name>
         <name lang="cs">Odkaz_1 - kontakt NO (vodorovný)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="-13" x1="-8" y2="-15" x2="0" y3="-15" x3="3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-15" x1="-10" y2="-15" x2="-8"/>
diff --git a/elements/20nomenclatures/references/ref_folio_precedent.elmt b/elements/20nomenclatures/references/ref_folio_precedent.elmt
index 92fa0fbee..ea8bc7bb0 100644
--- a/elements/20nomenclatures/references/ref_folio_precedent.elmt
+++ b/elements/20nomenclatures/references/ref_folio_precedent.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Wejście adresowe</name>
         <name lang="cs">Předchozí dvojlist</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-1" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" closed="false" y1="-4" x1="-1" y2="4" x2="-1" y3="0" x3="9" y4="-4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="9" y2="0" x2="12"/>
diff --git a/elements/20nomenclatures/references/ref_folio_suivant.elmt b/elements/20nomenclatures/references/ref_folio_suivant.elmt
index c24915c43..02a72384c 100644
--- a/elements/20nomenclatures/references/ref_folio_suivant.elmt
+++ b/elements/20nomenclatures/references/ref_folio_suivant.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">Další dvojlist</name>
         <name lang="it">Foglio successivo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="-9" antialias="true" style="line-style:normal;line-weight:normal;filling:black;color:black" closed="false" y1="-4" x1="-9" y2="4" x2="-9" y3="0" x3="2" y4="-4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="-9" y2="0" x2="-12"/>
diff --git a/elements/20nomenclatures/references/ref_voyant_2_h.elmt b/elements/20nomenclatures/references/ref_voyant_2_h.elmt
index 8f322ee6f..02a892a6b 100644
--- a/elements/20nomenclatures/references/ref_voyant_2_h.elmt
+++ b/elements/20nomenclatures/references/ref_voyant_2_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - lampka sygnalizacyjna (poziomo)</name>
         <name lang="cs">Odkaz - světlo (vodorovné)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="7" x1="-7" y2="3" x2="-3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="3" x1="-7" y2="7" x2="-3"/>
diff --git a/elements/20nomenclatures/references/ref_voyant_2_v.elmt b/elements/20nomenclatures/references/ref_voyant_2_v.elmt
index b5b83420b..17b341015 100644
--- a/elements/20nomenclatures/references/ref_voyant_2_v.elmt
+++ b/elements/20nomenclatures/references/ref_voyant_2_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz - lampka sygnalizacyjna (pionowo)</name>
         <name lang="cs">Odkaz - světlo (svislé)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-3" x1="3" y2="-7" x2="7"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-7" x1="3" y2="-3" x2="7"/>
diff --git a/elements/20nomenclatures/references/ref_voyant_h.elmt b/elements/20nomenclatures/references/ref_voyant_h.elmt
index b4c04cc0a..479969085 100644
--- a/elements/20nomenclatures/references/ref_voyant_h.elmt
+++ b/elements/20nomenclatures/references/ref_voyant_h.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 3 (poziomo)</name>
         <name lang="cs">Odkaz_3 - světlo (vodorovné)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="7" x1="-7" y2="3" x2="-3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="3" x1="-7" y2="7" x2="-3"/>
diff --git a/elements/20nomenclatures/references/ref_voyant_v.elmt b/elements/20nomenclatures/references/ref_voyant_v.elmt
index 09195dff7..cdb6a5327 100644
--- a/elements/20nomenclatures/references/ref_voyant_v.elmt
+++ b/elements/20nomenclatures/references/ref_voyant_v.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Odsyłacz 3 (pionowo)</name>
         <name lang="cs">Odkaz_3 - světlo (svislé)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-3" x1="3" y2="-7" x2="7"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-7" x1="3" y2="-3" x2="7"/>
diff --git a/elements/22vignettes/armoire/circ_breaker_x1.elmt b/elements/22vignettes/armoire/circ_breaker_x1.elmt
index e2ecbdc83..01943757f 100644
--- a/elements/22vignettes/armoire/circ_breaker_x1.elmt
+++ b/elements/22vignettes/armoire/circ_breaker_x1.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Wyłącznik jednobiegunowy</name>
         <name lang="cs">Jednopólový jistič</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="18" x="-9" y="-40" antialias="false" height="81" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="-40.24" x1="-3" y2="-38.24" x2="-3"/>
diff --git a/elements/22vignettes/armoire/circ_breaker_x2.elmt b/elements/22vignettes/armoire/circ_breaker_x2.elmt
index f69e8d135..f1ccab3b8 100644
--- a/elements/22vignettes/armoire/circ_breaker_x2.elmt
+++ b/elements/22vignettes/armoire/circ_breaker_x2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Wyłącznik dwubiegunowy</name>
         <name lang="cs">Dvoupólový jistič</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="36" x="-9" y="-40" antialias="false" height="81" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="-40.24" x1="15" y2="-38.24" x2="15"/>
diff --git a/elements/22vignettes/armoire/circ_breaker_x3.elmt b/elements/22vignettes/armoire/circ_breaker_x3.elmt
index 6cd3f67c5..8b3734902 100644
--- a/elements/22vignettes/armoire/circ_breaker_x3.elmt
+++ b/elements/22vignettes/armoire/circ_breaker_x3.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Wyłącznik trójbiegunowy</name>
         <name lang="cs">Třípólový jistič</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="54" x="-9" y="-40" antialias="false" height="81" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/disjoncteur.elmt b/elements/22vignettes/armoire/disjoncteur.elmt
index 131384c45..c0b203349 100644
--- a/elements/22vignettes/armoire/disjoncteur.elmt
+++ b/elements/22vignettes/armoire/disjoncteur.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Wyłącznik</name>
         <name lang="cs">Jistič (samočinný vypínač)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="-18" x1="-4.4" y2="-18" x2="-1.6"/>
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diff --git a/elements/22vignettes/armoire/filtre_schaff.elmt b/elements/22vignettes/armoire/filtre_schaff.elmt
index 279df7297..161bc5867 100644
--- a/elements/22vignettes/armoire/filtre_schaff.elmt
+++ b/elements/22vignettes/armoire/filtre_schaff.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Filtr Schaff</name>
         <name lang="cs">Filtr Schaff</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="13" y5="19" x5="13" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="19" x1="-13" y2="26" x2="-6" y3="26" x3="6" y4="19"/>
         <rect width="26" x="-13" y="-23" antialias="false" height="41" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/22vignettes/armoire/finder60.elmt b/elements/22vignettes/armoire/finder60.elmt
index a396119f5..a787cda77 100644
--- a/elements/22vignettes/armoire/finder60.elmt
+++ b/elements/22vignettes/armoire/finder60.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Przekaźnik Finder 60.....</name>
         <name lang="cs">Řadové relé Série 60</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="32" x="3" y="-18" antialias="false" height="36" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/goullotte_30.elmt b/elements/22vignettes/armoire/goullotte_30.elmt
index d47bc29e1..570a91a43 100644
--- a/elements/22vignettes/armoire/goullotte_30.elmt
+++ b/elements/22vignettes/armoire/goullotte_30.elmt
@@ -6,7 +6,8 @@
         <name lang="pl">Listwa instalacyjna 30</name>
         <name lang="cs">Instalační lišta 30</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="45" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="0" x1="45" y2="0" x2="0" y3="-30" x3="0" y4="-30"/>
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diff --git a/elements/22vignettes/armoire/goullotte_301.elmt b/elements/22vignettes/armoire/goullotte_301.elmt
index d0f1a2e62..c7270a82e 100644
--- a/elements/22vignettes/armoire/goullotte_301.elmt
+++ b/elements/22vignettes/armoire/goullotte_301.elmt
@@ -6,7 +6,8 @@
         <name lang="pl">Listwa instalacyjna 30.1</name>
         <name lang="cs">Instalační lišta 30.1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="0" x1="0" y2="0" x2="50"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="0" y2="-30" x2="50"/>
diff --git a/elements/22vignettes/armoire/hiquel/tm16plus.elmt b/elements/22vignettes/armoire/hiquel/tm16plus.elmt
index bbc0721a6..a8c5a0815 100644
--- a/elements/22vignettes/armoire/hiquel/tm16plus.elmt
+++ b/elements/22vignettes/armoire/hiquel/tm16plus.elmt
@@ -7,7 +7,8 @@
         <name lang="it">Relè temporizzatore multifunzione TM16+</name>
         <name lang="cs">Vícefunkční časové relè TM16+</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="-3" x1="-2" y2="-1" x2="-1"/>
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diff --git a/elements/22vignettes/armoire/micro_relay.elmt b/elements/22vignettes/armoire/micro_relay.elmt
index f7a11187a..cdfe7a475 100644
--- a/elements/22vignettes/armoire/micro_relay.elmt
+++ b/elements/22vignettes/armoire/micro_relay.elmt
@@ -7,7 +7,8 @@
         <name lang="it">Micro relè</name>
         <name lang="cs">Mikrorelé</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="2" y="31" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="4"/>
         <circle x="-6" y="-36" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="4"/>
diff --git a/elements/22vignettes/armoire/miniature_relay.elmt b/elements/22vignettes/armoire/miniature_relay.elmt
index 461d32dc6..5c4313b0a 100644
--- a/elements/22vignettes/armoire/miniature_relay.elmt
+++ b/elements/22vignettes/armoire/miniature_relay.elmt
@@ -7,7 +7,8 @@
         <name lang="it">Relè miniatura</name>
         <name lang="cs">Miniaturní relé</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="22" x="-11" y="-38" antialias="false" height="76" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/omron/relais/embase-p2rf-1.elmt b/elements/22vignettes/armoire/omron/relais/embase-p2rf-1.elmt
index e1468ed53..c5e9514a8 100644
--- a/elements/22vignettes/armoire/omron/relais/embase-p2rf-1.elmt
+++ b/elements/22vignettes/armoire/omron/relais/embase-p2rf-1.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Podstawa P2RF 1</name>
         <name lang="cs">Patice P2RF 1</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="15" x="0" y="-50" antialias="false" height="85" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/omron/relais/embase-p2rf-2.elmt b/elements/22vignettes/armoire/omron/relais/embase-p2rf-2.elmt
index 10f3998a3..5b04a10db 100644
--- a/elements/22vignettes/armoire/omron/relais/embase-p2rf-2.elmt
+++ b/elements/22vignettes/armoire/omron/relais/embase-p2rf-2.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Podstawa P2RF 2</name>
         <name lang="cs">Patice P2RF 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="-36" x1="4" y2="-34" x2="4"/>
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diff --git a/elements/22vignettes/armoire/omron/relais/embase_pf.elmt b/elements/22vignettes/armoire/omron/relais/embase_pf.elmt
index 693adc6af..d4723de7c 100644
--- a/elements/22vignettes/armoire/omron/relais/embase_pf.elmt
+++ b/elements/22vignettes/armoire/omron/relais/embase_pf.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Podstawa PF</name>
         <name lang="cs">Patice PF</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="22.25" y="-28.75" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="5.5"/>
         <circle x="12.25" y="-28.75" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="5.5"/>
diff --git a/elements/22vignettes/armoire/omron/relais/embase_pyf_2.elmt b/elements/22vignettes/armoire/omron/relais/embase_pyf_2.elmt
index e91f15c4a..cf2839bed 100644
--- a/elements/22vignettes/armoire/omron/relais/embase_pyf_2.elmt
+++ b/elements/22vignettes/armoire/omron/relais/embase_pyf_2.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Podstawa PYF 2</name>
         <name lang="cs">Patice PYF 2</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:thin;filling:none;color:black" y1="34.9" x1="27" y2="36" x2="27"/>
         <rect width="29" x="0" y="-30" antialias="false" height="70" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/22vignettes/armoire/omron/relais/g2rs.elmt b/elements/22vignettes/armoire/omron/relais/g2rs.elmt
index eeee2fb56..22626a722 100644
--- a/elements/22vignettes/armoire/omron/relais/g2rs.elmt
+++ b/elements/22vignettes/armoire/omron/relais/g2rs.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">G2RS</name>
         <name lang="cs">G2RS</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="15" x="-10" y="-30" antialias="false" height="30" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/omron/relais/mks.elmt b/elements/22vignettes/armoire/omron/relais/mks.elmt
index 1c3505784..4155ca033 100644
--- a/elements/22vignettes/armoire/omron/relais/mks.elmt
+++ b/elements/22vignettes/armoire/omron/relais/mks.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">MKS</name>
         <name lang="cs">MKS</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="34" x="3" y="-2" antialias="false" height="34" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/omron/relais/my.elmt b/elements/22vignettes/armoire/omron/relais/my.elmt
index ab5e5cd58..d613e657a 100644
--- a/elements/22vignettes/armoire/omron/relais/my.elmt
+++ b/elements/22vignettes/armoire/omron/relais/my.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">MY</name>
         <name lang="cs">MY</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="20" x="5" y="-29" antialias="false" height="28" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1d.elmt b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1d.elmt
index 6e0d1466d..9a12efdd0 100644
--- a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1d.elmt
+++ b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1d.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">LC1D</name>
         <name lang="cs">LC1D</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="45" x="0" y="-90" antialias="false" height="85" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1k.elmt b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1k.elmt
index 2b2fb802c..bc1980fb3 100644
--- a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1k.elmt
+++ b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc1k.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">LC1K</name>
         <name lang="cs">LC1K</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="46" x="0" y="-50" antialias="false" height="50" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <text x="39" y="-1" size="2" text="A2"/>
diff --git a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2d.elmt b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2d.elmt
index 206d16d89..a2f01c25e 100644
--- a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2d.elmt
+++ b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2d.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">LC2D</name>
         <name lang="cs">LC2D</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="45" x="46" y="-90" antialias="false" height="85" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
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diff --git a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2k.elmt b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2k.elmt
index 6980383d9..a5ab18b83 100644
--- a/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2k.elmt
+++ b/elements/22vignettes/armoire/shneider_electric/contacteurs/lc2k.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">LC2K</name>
         <name lang="cs">LC2K</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="93" x="-1.77636e-15" y="-50" antialias="false" height="50" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
         <text x="86" y="-1" size="2" text="A2"/>
diff --git a/elements/22vignettes/armoire/shneider_electric/protections/gv2me.elmt b/elements/22vignettes/armoire/shneider_electric/protections/gv2me.elmt
index e23cb697d..760ca94d0 100644
--- a/elements/22vignettes/armoire/shneider_electric/protections/gv2me.elmt
+++ b/elements/22vignettes/armoire/shneider_electric/protections/gv2me.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">GV2ME</name>
         <name lang="cs">GV2ME</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <text x="16" y="-85" size="3" text="3L2"/>
         <text x="32" y="-85" size="3" text="5L3"/>
diff --git a/elements/22vignettes/armoire/shneider_electric/protections/lrd.elmt b/elements/22vignettes/armoire/shneider_electric/protections/lrd.elmt
index 87a48fafc..d394761d9 100644
--- a/elements/22vignettes/armoire/shneider_electric/protections/lrd.elmt
+++ b/elements/22vignettes/armoire/shneider_electric/protections/lrd.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">LRD</name>
         <name lang="cs">LRD</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="24" y5="-27" x5="24" y6="-27" x6="8" y7="-30" x7="8" antialias="false" style="line-style:normal;line-weight:thin;filling:none;color:black" closed="false" y1="-34" x1="4" y2="-34" x2="1" y3="-49" x3="1" y4="-49"/>
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diff --git a/elements/22vignettes/danger_electrique_1.elmt b/elements/22vignettes/danger_electrique_1.elmt
index 8e652fadc..ab747fac2 100644
--- a/elements/22vignettes/danger_electrique_1.elmt
+++ b/elements/22vignettes/danger_electrique_1.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Pod napięciem</name>
         <name lang="cs">Pod napětím</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="30" x2="10" y3="30" x3="30" y4="10"/>
         <polygon x4="18" antialias="true" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="25.9" x1="18" y2="26.1" x2="19" y3="28" x3="17.8" y4="26"/>
diff --git a/elements/22vignettes/danger_electrique_2.elmt b/elements/22vignettes/danger_electrique_2.elmt
index 300794f4c..ba59477fe 100644
--- a/elements/22vignettes/danger_electrique_2.elmt
+++ b/elements/22vignettes/danger_electrique_2.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Pod napięciem</name>
         <name lang="cs">Pod napětím</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="1" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="40" x1="1" y2="2" x2="20" y3="40" x3="39" y4="40"/>
         <polygon x4="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="41" x1="0" y2="41" x2="40" y3="1" x3="20" y4="41"/>
diff --git a/elements/22vignettes/danger_general_1.elmt b/elements/22vignettes/danger_general_1.elmt
index 6109d18e9..c2763ae7a 100644
--- a/elements/22vignettes/danger_general_1.elmt
+++ b/elements/22vignettes/danger_general_1.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Inne niebezpieczeństwo</name>
         <name lang="cs">Jiné nebezpečí</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="10" x1="20" y2="30" x2="10" y3="30" x3="30" y4="10"/>
         <rect width="1" x="19.5" y="17" antialias="false" height="7" style="line-style:normal;line-weight:normal;filling:none;color:black"/>
diff --git a/elements/22vignettes/danger_general_2.elmt b/elements/22vignettes/danger_general_2.elmt
index e2bd305f5..713cf961d 100644
--- a/elements/22vignettes/danger_general_2.elmt
+++ b/elements/22vignettes/danger_general_2.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Inne niebezpieczeństwo</name>
         <name lang="cs">Jiné nebezpečí</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <polygon x4="0" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="40" x1="0" y2="40" x2="40" y3="0" x3="20" y4="40"/>
         <polygon x4="1" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" closed="false" y1="39" x1="1" y2="1" x2="20" y3="39" x3="39" y4="39"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/arret_durgence.elmt b/elements/22vignettes/pupitre/2x2/boutons/arret_durgence.elmt
index 402f28f88..416251fbe 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/arret_durgence.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/arret_durgence.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توقيف طوارئ</name>
         <name lang="it">Arresto d'emergenza</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-19" y="-19" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="38"/>
         <circle x="-20" y="-20" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="40"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_a_clee.elmt b/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_a_clee.elmt
index d03b5be7c..7a329b6a6 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_a_clee.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_a_clee.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توقيف طوارئ بمفتاح</name>
         <name lang="it">Arresto d'emergenza a chiave</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="2" x="-1" y="-6" antialias="false" height="12" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
         <circle x="-6.5" y="-6.5" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="13"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_tourner_deverouiller.elmt b/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_tourner_deverouiller.elmt
index d69f5dd3c..71180aee8 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_tourner_deverouiller.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/arret_durgence_tourner_deverouiller.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توقيف طوارئ - دوران للإطلاق</name>
         <name lang="it">Arresto d'emergenza sblocco a rotazione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="8" x1="-10.5" y2="2.4" x2="-12.3"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:thin;filling:black;color:black" y1="-12.5" x1="1" y2="-12" x2="4"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir.elmt b/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir.elmt
index f388eba9f..79851463f 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przycisk</name>
         <name lang="cs">Tlačítko</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-7" y="-7" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="14"/>
         <circle x="-10" y="-10" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="20"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_fleche.elmt b/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_fleche.elmt
index 0a049d881..45e26922d 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_fleche.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_fleche.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przycisk ze strzałką</name>
         <name lang="cs">Tlačítko se šipkou</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="7" x1="1" y2="-3" x2="1"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="7" x1="-1" y2="-3" x2="-1"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_lumineux.elmt b/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_lumineux.elmt
index 4ceb06065..7d434efab 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_lumineux.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/bouton_poussoir_lumineux.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przycisk podświetlony</name>
         <name lang="cs">Podsvícené tlačítko</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="12" x="-6" y="-6" antialias="true" height="12" style="line-style:normal;line-weight:thin;filling:none;color:black" start="0" angle="-270"/>
         <circle x="-7" y="-7" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="14"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_centre.elmt b/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_centre.elmt
index 73c4a86d5..9c14e526f 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_centre.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_centre.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Łącznik obrotowy przełączny otwarty w pozycji pośredniej</name>
         <name lang="cs">Otočné tlačítko otevřené ve středové pozici</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="4" x="-2" y="-9" antialias="false" height="18" style="line-style:normal;line-weight:normal;filling:black;color:black"/>
         <circle x="-10" y="-10" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="20"/>
diff --git a/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_cote.elmt b/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_cote.elmt
index d4945d7da..0ccea6d0b 100644
--- a/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_cote.elmt
+++ b/elements/22vignettes/pupitre/2x2/boutons/bouton_tournant_cote.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Łącznik obrotowy w pozycji prawej</name>
         <name lang="cs">Otočné tlačítko v pravé pozici</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-2" x1="3" y2="7" x2="-6"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="7" x1="-5" y2="-1" x2="3"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_en_2x2.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_en_2x2.elmt
index db7b20a3b..0fa6b12ae 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_en_2x2.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_en_2x2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Etykieta - Zatrzymanie awaryjne - en</name>
         <name lang="cs">Štítek - nouzové zastavení - en</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="12.5" y="12.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="75"/>
         <circle x="30" y="30" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="40"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_fr_2x2.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_fr_2x2.elmt
index 2fa5efc17..75018b2fd 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_fr_2x2.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_fr_2x2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Etykieta - Zatrzymanie awaryjne - fr</name>
         <name lang="cs">Štítek - nouzové zastavení - fr</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="12.5" y="12.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="75"/>
         <circle x="30" y="30" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="40"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_pl_2x2.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_pl_2x2.elmt
index 8edb33ddd..6e729b03a 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_pl_2x2.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/etiquette_au_pl_2x2.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Etykieta - Wyłącznik awaryjny</name>
         <name lang="cs">Štítek - nouzové zastavení - pl</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="12.5" y="12.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="75"/>
         <circle x="30" y="30" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="40"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_descente.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_descente.elmt
index 184cfcd20..b8a0c7a75 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_descente.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_descente.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Dół</name>
         <name lang="cs">Dolů</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="2" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-23" x1="0" y2="-13" x2="0"/>
         <rect width="20" x="-10" y="-24" antialias="false" height="12" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_gauche-droite.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_gauche-droite.elmt
index a8a3a1360..405847fb9 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_gauche-droite.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_gauche-droite.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Prawo-lewo</name>
         <name lang="cs">Vpravo/Vlevo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="2" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-18" x1="-2" y2="-18" x2="-9"/>
         <line length1="2" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-18" x1="2" y2="-18" x2="9"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee-descente.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee-descente.elmt
index 0a481a3f7..fcf9da5f5 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee-descente.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee-descente.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Góra-dół</name>
         <name lang="cs">Nahoru/Dolů</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="2" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="5" y2="-23" x2="5"/>
         <line length1="2" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-23" x1="-5" y2="-13" x2="-5"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee.elmt
index 22a48cf5a..6bf4f4e24 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_montee.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Góra</name>
         <name lang="cs">Nahoru</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="2" length2="2" antialias="false" end1="none" end2="triangle" style="line-style:normal;line-weight:normal;filling:black;color:black" y1="-13" x1="0" y2="-23" x2="0"/>
         <rect width="20" x="-10" y="-24" antialias="false" height="12" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
diff --git a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_vide.elmt b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_vide.elmt
index 58ddec6ad..fa1f1afb7 100644
--- a/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_vide.elmt
+++ b/elements/22vignettes/pupitre/2x2/porte_etiquettes/porte_etiquette_vide.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Bez oznaczenia</name>
         <name lang="cs">Bez označení</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="20" x="-10" y="-24" antialias="false" height="12" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-25" x1="-11" y2="-25" x2="11"/>
diff --git a/elements/22vignettes/pupitre/2x2/voyants/voyant.elmt b/elements/22vignettes/pupitre/2x2/voyants/voyant.elmt
index 3a11f27c4..8ad00de55 100644
--- a/elements/22vignettes/pupitre/2x2/voyants/voyant.elmt
+++ b/elements/22vignettes/pupitre/2x2/voyants/voyant.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Lampka sygnalizacyjna</name>
         <name lang="cs">Světelný signál</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="14" x="-7" y="-7" antialias="true" height="14" style="line-style:normal;line-weight:thin;filling:none;color:black" start="0" angle="-270"/>
         <circle x="-10" y="-10" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="20"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/arret_durgence.elmt b/elements/22vignettes/pupitre/4x4/boutons/arret_durgence.elmt
index d3735ce77..646d1147b 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/arret_durgence.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/arret_durgence.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توقيف طارئ</name>
         <name lang="it">Arresto d'emergenza</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-38" y="-38" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="76"/>
         <circle x="-40" y="-40" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="80"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_a_clee.elmt b/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_a_clee.elmt
index fe0ee21cf..2da1a1528 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_a_clee.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_a_clee.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توقيف طارئ بمفتاح</name>
         <name lang="it">Arresto d'emergenza a chiave</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-13" y="-13" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="26"/>
         <circle x="-36" y="-36" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="72"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_tourner_deverouiller.elmt b/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_tourner_deverouiller.elmt
index e32c01ace..0eb784968 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_tourner_deverouiller.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/arret_durgence_tourner_deverouiller.elmt
@@ -7,7 +7,8 @@
         <name lang="ar">توقيف طوارئ - دوران للإطلاق</name>
         <name lang="it">Arresto d'emergenza, sblocco a rotazione</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="50" x="-25" y="-25" antialias="true" height="50" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-60" angle="-100"/>
         <arc width="50" x="-25" y="-25" antialias="true" height="50" style="line-style:normal;line-weight:normal;filling:none;color:black" start="60" angle="-100"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir.elmt b/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir.elmt
index 9117c7ecc..3fac0e503 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przycisk</name>
         <name lang="cs">Tlačítko</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-14" y="-14" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="28"/>
         <circle x="-20" y="-20" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="40"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_fleche.elmt b/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_fleche.elmt
index 8ab66550b..b48b369be 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_fleche.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_fleche.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przycisk ze strzałką</name>
         <name lang="cs">Tlačítko se šipkou</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="14" x1="1" y2="-6" x2="1"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="14" x1="-1" y2="-6" x2="-1"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_lumineux.elmt b/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_lumineux.elmt
index 9ed5651d0..9f5090637 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_lumineux.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/bouton_poussoir_lumineux.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Przycisk podświetlony</name>
         <name lang="cs">Podsvícené tlačítko</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="24" x="-12" y="-12" antialias="true" height="24" style="line-style:normal;line-weight:thin;filling:none;color:black" start="0" angle="-270"/>
         <circle x="-14" y="-14" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="28"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_centre.elmt b/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_centre.elmt
index 825955dbf..83701290f 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_centre.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_centre.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Łącznik obrotowy w pozycji środkowej</name>
         <name lang="cs">Otočné tlačítko otevřené ve středové pozici</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="-20" y="-20" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="40"/>
         <circle x="-22" y="-22" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="44"/>
diff --git a/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_cote.elmt b/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_cote.elmt
index f77e7c2da..972279d0e 100644
--- a/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_cote.elmt
+++ b/elements/22vignettes/pupitre/4x4/boutons/bouton_tournant_cote.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Łącznik obrotowy w pozycji prawej</name>
         <name lang="cs">Otočné tlačítko v pravé pozici</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="-10" y2="-2" x2="7"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="15" x1="-11" y2="-3" x2="7"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_en.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_en.elmt
index a0cf3f777..593fb2c5f 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_en.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_en.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">Štítek - nouzové zastavení - en</name>
         <name lang="it">Etichetta - Emergency stop (en)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="12.5" y="12.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="135"/>
         <circle x="40" y="40" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="80"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_fr.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_fr.elmt
index fa890da30..fd2a42db5 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_fr.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_fr.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">Štítek - nouzové zastavení - fr</name>
         <name lang="it">Etichetta - Arrêt d'urgence (fr)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="12.5" y="12.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="135"/>
         <circle x="40" y="40" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="80"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_pl.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_pl.elmt
index 7e20a4854..18fb03411 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_pl.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/etiquette_au_pl.elmt
@@ -7,7 +7,8 @@
         <name lang="cs">Štítek - nouzové zastavení - pl</name>
         <name lang="it">Etichetta - Zatrzymanie awaryjne (pl)</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <circle x="12.5" y="12.5" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="135"/>
         <circle x="40" y="40" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="80"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_descente.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_descente.elmt
index 01606e312..d0fb23568 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_descente.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_descente.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Dół</name>
         <name lang="cs">Dolů</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-30" x1="-1" y2="-46" x2="-1"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-31" x1="1" y2="-46" x2="1"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_gauche-droite.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_gauche-droite.elmt
index 8494f1791..8ee4105b1 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_gauche-droite.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_gauche-droite.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Prawo-lewo</name>
         <name lang="cs">Vpravo/Vlevo</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-35" x1="13" y2="-35" x2="4"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-37" x1="13" y2="-37" x2="4"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee-descente.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee-descente.elmt
index 71daffc1d..9261a4ba6 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee-descente.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee-descente.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Góra-dół</name>
         <name lang="cs">Nahoru/Dolů</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-41" x1="11" y2="-26" x2="11"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-42" x1="9" y2="-26" x2="9"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee.elmt
index 2ff66b3ce..81b00774b 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_montee.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Góra</name>
         <name lang="cs">Nahoru</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-42" x1="-1" y2="-26" x2="-1"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-41" x1="1" y2="-26" x2="1"/>
diff --git a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_vide.elmt b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_vide.elmt
index 6907cb337..7dc9a261d 100644
--- a/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_vide.elmt
+++ b/elements/22vignettes/pupitre/4x4/porte_etiquettes/porte_etiquette_vide.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Bez oznaczenia</name>
         <name lang="cs">Bez označení</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <rect width="40" x="-20" y="-48" antialias="false" height="24" style="line-style:normal;line-weight:thin;filling:none;color:black"/>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-50" x1="-22" y2="-50" x2="22"/>
diff --git a/elements/22vignettes/pupitre/4x4/voyants/voyant.elmt b/elements/22vignettes/pupitre/4x4/voyants/voyant.elmt
index 98185ecf7..14edaec85 100644
--- a/elements/22vignettes/pupitre/4x4/voyants/voyant.elmt
+++ b/elements/22vignettes/pupitre/4x4/voyants/voyant.elmt
@@ -8,7 +8,8 @@
         <name lang="pl">Lampka sygnalizacyjna</name>
         <name lang="cs">Světelný signál</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="28" x="-14" y="-14" antialias="true" height="28" style="line-style:normal;line-weight:thin;filling:none;color:black" start="0" angle="-270"/>
         <circle x="-20" y="-20" antialias="true" style="line-style:normal;line-weight:thin;filling:none;color:black" diameter="40"/>
diff --git a/elements/22vignettes/surface_chaude_1.elmt b/elements/22vignettes/surface_chaude_1.elmt
index 4fd435ac9..86f038c82 100644
--- a/elements/22vignettes/surface_chaude_1.elmt
+++ b/elements/22vignettes/surface_chaude_1.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Gorąca powierzchnia</name>
         <name lang="cs">Horký povrch</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <line length1="1.5" length2="1.5" antialias="false" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="27" x1="16" y2="27" x2="24"/>
         <arc width="2" x="21" y="18.25" antialias="true" height="3.5" style="line-style:normal;line-weight:thin;filling:none;color:black" start="-90" angle="-180"/>
diff --git a/elements/22vignettes/surface_chaude_2.elmt b/elements/22vignettes/surface_chaude_2.elmt
index e636c68ad..6991c8851 100644
--- a/elements/22vignettes/surface_chaude_2.elmt
+++ b/elements/22vignettes/surface_chaude_2.elmt
@@ -7,7 +7,8 @@
         <name lang="pl">Inne niebezpieczeństwo</name>
         <name lang="cs">Horký povrch</name>
     </names>
-    <informations></informations>
+    <informations>Author: The QElectroTech team
+License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
     <description>
         <arc width="4" x="18" y="15" antialias="true" height="8" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-90" angle="-180"/>
         <arc width="4" x="14" y="15" antialias="true" height="8" style="line-style:normal;line-weight:normal;filling:none;color:black" start="-90" angle="-180"/>