GNU bug report logs - #1286
comment-dwim on a comment line does not toggle comment

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Message #10 received at 1286-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: xah lee <xah <at> xahlee.org>
Cc: 1286-done <at> debbugs.gnu.org
Subject: Re: bug#1286: comment-dwim on a comment line does not toggle comment
Date: Fri, 31 Oct 2008 21:33:32 -0400

> this appears to be like a bug.

> in emacs-lisp-mode, if you have a comment like this:

> ;; This is a comment

> and your cursor is somewhere on that line. Now, do comment-dwim, it doesn't
> uncomment the line. It just moves the cursor to the “T”  in “This”.

> Same behavior in cperl mode and probably all others.

> I think this might be by design, but it seems counter-intuitive.

This is the way M-; has worked for as long as I can remember.
It also re-indents the comment, if needed.  If you want to uncomment,
then select the line via e.g. C-a C-SPC C-n and then M-; will do what
you asked for.


        Stefan

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