Pressing shift+enter in quoted text isn't undoable

[sam (Sam Saffron)]

We have no custom undo behavior coded, each browser does something slightly different here, but the consensus was that custom undo caused way more support and confusion than the way it is now

For context:

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

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.

I actually think this SHIFT ENTER behavior is super odd and totally unneeded. I think the correct action here is to remove this crazy magic, I can not see any use for it.