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Re: skip-chars-forward v. re-search-forward


From: Dave Love
Subject: Re: skip-chars-forward v. re-search-forward
Date: 04 Apr 2003 11:52:26 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Richard Stallman <address@hidden> writes:

> That is really surprising.  Can you figure out what makes
> skip-chars-forward so slow?

It would be best for a regexp expert to look at it.

> We ought to be able to make it faster than re-search-forward without
> much effort, so we may as well try.

I don't know enough for that to be clear to me, though it's suggested
by the separate implementation for the special case and
skip-chars-forward being byte-coded.  [Why not re-search-forward,
which must be more common?]

I could believe that the introduction of multibyte changed factors
which are relevant, but that's just a guess.




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