bug#44581: 28.0.50; undo comment-region error

[Mattias Engdegård]

15 nov. 2020 kl. 13.20 skrev Alan Mackenzie <acm@muc.de>:

> Maybe I need the same change in uncomment-region-default too, but I'm
> not sure.

It seems more difficult to provoke uncomment-region to change text outside the 
region. Until we have a concrete example, better leave that code unchanged.

> Here is a provisional patch, based on the master branch (although the
> fix should probably go into emacs-27).  Could you test it, please.

Seems to work nicely. Thank you!