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From: Ulf Lilleengen <lulf@FreeBSD.org>
Subject: Re: bin/187633: m4 segv
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The following reply was made to PR bin/187633; it has been noted by GNATS.

From: Ulf Lilleengen <lulf@FreeBSD.org>
To: Makoto Kishimoto <ksmakoto@dd.iij4u.or.jp>, 
 freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: bin/187633: m4 segv
Date: Sat, 22 Mar 2014 18:27:55 +0100

 Hi,
 
 This patch will ensure that m4 does not try to evaluate a set of 
 arguments that does not adhere to the instructions in the man page:
 
 http://people.freebsd.org/~lulf/patches/0001-Ensure-that-we-have-enough-arguments-for-ifelse-befo.patch
 
 Ulf