[awinter-py]

whoa this is cool

does it understand syntax boundaries like curly braces / functions? ('undo within function' would be key). or just line #?

[ssivark]

That concern is isolated to your region selection tool, and orthogonal to the undo functionality :-) So, you could select by lines, or intelligently select by parentheses/braces, etc. And ask these are nicely composable, so you could easily set up custom shortcuts if you don’t like the sequence of keystrokes.

For eg, see https://www.johndcook.com/blog/2017/08/09/selecting-things-i...

[Koshkin]

Regions in emacs do not need to consist of whole lines.