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bug#14303: 24.3; Bug in comment-search-backward
From: |
Stefan Monnier |
Subject: |
bug#14303: 24.3; Bug in comment-search-backward |
Date: |
Fri, 17 May 2013 11:52:54 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
>> I don't understand when that can happen (when inside a string (nth
>> 8 ppss) is also non-nil).
> I have
> (defvar octave-comment-start-skip "\\(^\\|\\S<\\)\\(?:%!\\|\\s<+\\)\\s-*"
> "Octave-specific `comment-start-skip' (which see).")
> and this could find "#abc" as comment start where BEG is outside of
> strings and comments but END is in a string.
Ah, I see. That's easy to fix: just check the syntax-ppss state at the
position about which you care, i.e. (or (match-end 1) (match-beginning 0)),
rather than at the position at which re-search-backward puts you.
> Maybe this is due to setting octave-comment-start-skip incorrectly.
> I looked at comment-normalize-vars and see it uses:
> \\(\\(^\\|[^\\\n]\\)\\(\\\\\\\\\\)*\\)
> as anchor but I don't understand fully.
No, this is to try and avoid mis-recognizing \# (and \\\#, but not \\#)
as a comment starter when \ is an escape character.
Stefan
- bug#14303: 24.3; Bug in comment-search-backward, (continued)
- bug#14303: 24.3; Bug in comment-search-backward, Leo Liu, 2013/05/17
- bug#14303: 24.3; Bug in comment-search-backward, Stefan Monnier, 2013/05/17
- bug#14303: 24.3; Bug in comment-search-backward, Leo Liu, 2013/05/17
- bug#14303: 24.3; Bug in comment-search-backward, Andreas Röhler, 2013/05/17
- bug#14303: 24.3; Bug in comment-search-backward, Leo Liu, 2013/05/17
- bug#14303: 24.3; Bug in comment-search-backward, Andreas Röhler, 2013/05/18
- bug#14303: 24.3; Bug in comment-search-backward, Stefan Monnier, 2013/05/20
- bug#14303: 24.3; Bug in comment-search-backward, Andreas Röhler, 2013/05/22
- bug#14303: 24.3; Bug in comment-search-backward, Stefan Monnier, 2013/05/22
- bug#14303: 24.3; Bug in comment-search-backward, Andreas Röhler, 2013/05/22
- bug#14303: 24.3; Bug in comment-search-backward,
Stefan Monnier <=
- bug#14303: 24.3; Bug in comment-search-backward, Leo Liu, 2013/05/17
bug#14303: 24.3; Bug in comment-search-backward, Stefan Monnier, 2013/05/16