bug#30937: In `comment-region', C-g doesn't work.

[Andreas Schwab]

On Mär 25 2018, Alan Mackenzie <acm@muc.de> wrote:

> emacs-26.0.91 -Q
> C-x C-f Any largish file.c
> C-x h                 ; mark buffer.
> C-c C-c               ; comment-region.
>
> This is the sort of thing that can happen by accident.  Depending on the
> size of the file.c and the speed of your machine, you've now got a long,
> long wait.  C-g doesn't work.  This is a bug.

Does it help to set select-active-regions to nil or 'only?

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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