Bug fix + New feature: Undo for Mask addition/removal in order to fix #291#293

Merged

LunaTheFoxgirl merged 2 commits intoInochi2D:mainfrom seagetch:fix_for_0_8_1

Jun 30, 2023

+146-15

Commits on Jun 30, 2023

Fix bug: Avoid crash if trying to remove vertex when mirrored by axes, and no correspoinding vertex exists.
seagetch
committed
Bug fix: fix for (#291 ), and additonal undo action for mask addition/removal.
seagetch
committed