GNU bug report logs - #71459
29.3; reindent-then-newline-and-indent bug when newline triggers abbrev expansion

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Message #10 received at 71459-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: z <at> bcc32.com
Cc: 71459-done <at> debbugs.gnu.org
Subject: Re: bug#71459: 29.3;
 reindent-then-newline-and-indent bug when newline triggers abbrev
 expansion
Date: Sat, 15 Jun 2024 13:05:51 +0300

> From: z <at> bcc32.com
> Date: Sun, 09 Jun 2024 23:42:58 -0400
> 
> 1. emacs -Q
> 2. Open an empty buffer in a mode like conf-mode.  Enable abbrev-mode.
> 3. Type "# this is a comment", select the line, and run M-x
>    add-mode-abbrev, give it some abbrev like "tc".
> 4. On a new line, type tc and then M-x reindent-then-newline-and-indent
> 
> I expect this to insert "# this is a comment", but instead it inserts
> "#this is a comment".  Note the missing space between the
> comment-start marker and the comment text.
> 
> For context, this came up in a major mode (ledger-mode) where I had
> bound RET to reindent-then-newline-and-indent, so it happens quite
> freqently to me.
> 
> I think just making reindent-then-newline-and-indent use a marker for
> the initial value of `pos' would work, but I haven't thought about it
> very much.

Thanks, I went with your suggestion of using a marker.  I installed
the change on the master branch, and I'm therefore closing this bug.

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