[Octave-bug-tracker] [bug #41667] root figure parent property should be empty

[Rik]

Follow-up Comment #4, bug #41667 (project octave):

This bug has more knock-on effects.  Executing "__run_test_suite__" in the GUI
now hangs at guidata.m.  The problem is that the ancestor function ends up
getting called like so:


ancestor (0, "figure")


Inside ancestor.m there is a "while (true)" loop that becomes infinite because
the call


get (0, "parent")


returns 0 instead of [] as it should.


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