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From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: highlight failed part of isearch input
Date: Tue, 24 Jul 2007 12:45:55 -0400
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References: <BNELLINCGFJLDJIKDGACEENICAAA.drew.adams@oracle.com>
	<E1ID2IS-00082m-Gn@fencepost.gnu.org> <87k5sqerle.fsf@jurta.org>
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Cc: drew.adams@oracle.com, emacs-devel@gnu.org
To: Juri Linkov <juri@jurta.org>
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Xref: news.gmane.org gmane.emacs.devel:75462
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/75462>

    I like this proposal but there is a problem in the patch:

	  (when (string-match " +$" m)
	     (propertize (substring m (match-beginning 0)) 'face 'trailing-whitespace))

    This is a no-op.

Yes, if it is used for effect.

		      But maybe it is good to remove this code because the
    failed trailing whitespace is highlighted in the new face isearch-failed.

I don't entirely understand.  What change are you proposing?