The same 48 edits (industrial.qet and affuteuse_250h.qet, as .qet and
.qetz) are made with lazy folios and with QET_EAGER_FOLIOS=1; the saved
files must be equal but for the saved date and path. Answers the question
raised on #1440 about the hand-kept list of what marks a kept folio stale.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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