Undo (Ctrl/Cmd+Z) doesn't work for Markdown

[sam (Sam Saffron)]

for context:

https://meta.discourse.org/t/ctrl-z-undo-and-redo-will-ignore-pasting/4537

Pressing shift+enter in quoted text isn't undoable

[image] Here’s a block of quoted text for your convenience if you want to repro by editing this post: Lorem ipsum dolor sit amet, PRESS SHIFT ENTER HERE consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat no…

Ctrl+Z does not undo my previous step

When I type something in the textarea , and select all, and ctrl+b ,and ctrl+z. I just want to undo my ctrl+b step, however it completely my textarea. I have to type the content again. It is weird the ctrl+z means clearing textarea instead of undo.

This is a can of worms, if someone wants to build a plugin to explore undo/redo again all the integration hooks are in place.