GNU bug report logs - #5373
Example in font-lock-add-keywords should use shy subgroup

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Package: emacs;

Reported by: Lennart Borgman <lennart.borgman <at> gmail.com>

Date: Wed, 13 Jan 2010 10:27:01 UTC

Severity: normal

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

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From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 5373 <at> debbugs.gnu.org
Subject: bug#5373: Example in font-lock-add-keywords should use shy  subgroup
Date: Wed, 13 Jan 2010 16:19:33 +0100

On Wed, Jan 13, 2010 at 4:18 PM, Stefan Monnier
<monnier <at> iro.umontreal.ca> wrote:
>> Should not the second regexp in
>
>>  (font-lock-add-keywords 'c-mode
>>   '(("\\<\\(FIXME\\):" 1 font-lock-warning-face prepend)
>>     ("\\<\\(and\\|or\\|not\\)\\>" . font-lock-keyword-face)))
>
>> use a shy subgroup like in
>
>>  (font-lock-add-keywords 'c-mode
>>   '(("\\<\\(FIXME\\):" 1 font-lock-warning-face prepend)
>>     ("\\<\\(?:and\\|or\\|not\\)\\>" . font-lock-keyword-face)))
>
> It could.  But the use of a normal group is harmless.


I thought it was slower?
This bug report was last modified 15 years and 211 days ago.

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