Fork of lines.love without drawings; useful starting point for further forks

clean up Drawing.before after creating undo event

This isn't a bug here, but it led to a bug in lines 2.

Created by  akkartik  on August 31, 2024
237LRHDOEGASSOTFLGWEZPD5PRY2NGZXCIGWCNDJWIWH4BKSOBZQC
Change contents