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From: | Andreas Röhler |
Subject: | bug#14303: 24.3; Bug in comment-search-backward |
Date: | Fri, 17 May 2013 14:39:17 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 |
Am 17.05.2013 13:34, schrieb Leo Liu:
On 2013-05-17 19:14 +0800, Andreas Röhler wrote:The succession of things doesn't look right yet. if (eq comment-use-syntax nil) re-search-backward based solution which is very seldom. Grep shows 4 cases. Otherwise syntax-ppss - , prog1 and nth 4 goto char nth 8 - or so. Make sure wrong regexp isn't called then/no wrong matches. AndreasThere is possible optimisation when 'end' is in a string.
Don't understand. "end" can't be in a string, if syntax-ppss is used. Other than
that do you have a case where my solution will fail?
Not just fail. However most if this code looks redundant, useless employing of re-search-..., which will slow down Emacs when called from a program.
Leo
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