GNU bug report logs - #21766
25.0.50; delete-trailing-whitespace sometimes deletes non-whitespace

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Package: emacs;

Reported by: Markus Triska <triska <at> metalevel.at>

Date: Mon, 26 Oct 2015 23:10:01 UTC

Severity: normal

Merged with 21769

Found in version 25.0.50

Done: Juanma Barranquero <lekktu <at> gmail.com>

Bug is archived. No further changes may be made.

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From: martin rudalics <rudalics <at> gmx.at>
To: Juanma Barranquero <lekktu <at> gmail.com>,  Andreas Schwab <schwab <at> suse.de>
Cc: 21766 <at> debbugs.gnu.org, Markus Triska <triska <at> metalevel.at>
Subject: bug#21766: 25.0.50; delete-trailing-whitespace sometimes deletes non-whitespace
Date: Tue, 27 Oct 2015 10:24:28 +0100

>> No, skip-syntax-backward is safe.  There must be something in
>> line-beginning-position that does this, but only indirectly.
>
>    (skip-syntax-backward "-"
>          (save-match-data
> (line-beginning-position)))
>
> still shows the bug, while
>
>    (save-match-data
>      (skip-syntax-backward "-" (line-beginning-position)))
>
> fixes it.

I doubt that ‘syntax-propertize’ is always safe.

martin
This bug report was last modified 9 years and 259 days ago.

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