Add multi-level undo and redo - #8

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sigmanor wants to merge 3 commits into

rabfulton:masterfrom

sigmanor:undo-redo

Commits on Aug 8, 2026

Add undo history module
sigmanor
committed
304d172
Add multi-level undo and redo to the editor
sigmanor
committed
46728fd
Drop the single-level paste undo
sigmanor
committed
02cbb96