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bug#10033: 24.0.91; Uncommenting fails in Autoconf mode
From: |
Chong Yidong |
Subject: |
bug#10033: 24.0.91; Uncommenting fails in Autoconf mode |
Date: |
Tue, 15 Nov 2011 13:29:08 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.91 (gnu/linux) |
Andreas Schwab <schwab@linux-m68k.org> writes:
> Chong Yidong <cyd@gnu.org> writes:
>
>> This is because the value of comment-start-skip in Autoconf mode is
>>
>> "\\(?:\\<dnl\\|#\\) +"
>>
>> The \< is intended to avoid matching a "dnl" that is part of a word.
>
> dnl isn't a word, it is a comment, so \< cannot match it.
Yet syntax-propertize-function for Autoconf uses
(set (make-local-variable 'syntax-propertize-function)
(syntax-propertize-rules ("\\<dnl\\>" (0 "<"))))
which does work for matching only occurrences of `dnl' as separate
tokens.