With "snap to bottom", each master's cross was centred under it at the
bottom of the folio on its own, so two coils in one column drew their
crosses on the same spot and the references printed over each other.
The crosses of a folio are now placed together: when two would overlap,
the one of the higher element goes above the other, so a column of
coils gets its crosses in the same order. Crosses that do not overlap
stay where they were. Moving an element sideways now re-places them
too, since it can move a cross into or out of another's column.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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