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From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: find-file-noselect needs save-match-data
Date: Wed, 13 Jun 2007 12:21:58 -0400
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To: David Kastrup <dak@gnu.org>
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I like string-match-p as a way of indicating that all it does is return
a value.  It is ok for a predicate to return true values other than t.

string-match-reentrant is also good, but reentrant-string-match
is better.