alonso.torres ca9ec16518 🐛 Keep a copy linked when the repair finds its component's main
A component whose :main-instance-id points to a missing shape fails
validation on its copies with :ref-shape-not-found. A repair scoped to
the copy's page never sees the main's own error, so it detached the
copy, even when the main was still on the component's page.

The repair of :ref-shape-not-found now looks for the component's main
on its page first and points :main-instance-id back to it, which keeps
the copy linked. A copy is still detached when no main is found.
2026-11-05 10:56:46 +01:00
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