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From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: should search ring contain duplicates?
Date: Sat, 06 May 2006 19:36:35 -0400
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References: <MEEKKIABFKKDFJMPIOEBIEBLDBAA.drew.adams@oracle.com>
	<200605030727.k437R2Wx009975@amrm2.ics.uci.edu>
	<m31wvbpl9h.fsf@kfs-l.imdomain.dk> <87bqufwbls.fsf@jurta.org>
	<m3vesnnrj0.fsf@kfs-l.imdomain.dk> <m3slnqp08r.fsf@kfs-l.imdomain.dk>
	<85iromw09n.fsf@lola.goethe.zz> <m37j52ouc0.fsf@kfs-l.imdomain.dk>
	<E1Fc8Z5-0003N2-QC@fencepost.gnu.org>
	<m3bqucf2m8.fsf@kfs-l.imdomain.dk> <uejz7bn20.fsf@gnu.org>
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    I'm not sure I see the utility of the second optional argument
    KEEP-DUPS.

I don't see a need for it either, but does anyone else?