A slate to write and draw on, then export to html

enhance bugfix of commit a9aa3436f (Dec 2024)

Scenario:

  • start out with some text on screen
  • select some text A, delete
  • select some more text B, delete
  • press C-z twice to restore A and B
  • press C-y twice

Before this commit only the first C-y was having an effect (deleting B). The second was failing to delete A.

Created by  Kartik K. Agaram  on April 9, 2023
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