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Re: Inefficient code in reftex-index.el


From: Kim F. Storm
Subject: Re: Inefficient code in reftex-index.el
Date: Wed, 08 Jun 2005 12:00:36 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

David Kastrup <address@hidden> writes:

>> Actually the only cases I can vaguely remember using the
>> (/ (length (match-data)) 2) idiom didn't use the whole (match-data).
>> They typically used the idiom in order to know *which* subgroup matched (of
>> course it only works if you craft your regexp carefully).
>
> That would not work.  (length (match-data)) is a property of the
> regexp, not the match.

According to the code, it does work.

Match data only contains markers until the last successful match.

-- 
Kim F. Storm <address@hidden> http://www.cua.dk





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