Date: Sat, 5 Nov 2016 11:07:33 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: "Pedro F. Giffuni" <pfg@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r308314 - head/usr.bin/sed Message-ID: <20161105090733.GT54029@kib.kiev.ua> In-Reply-To: <201611042049.uA4Knxcx019490@repo.freebsd.org> References: <201611042049.uA4Knxcx019490@repo.freebsd.org>
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On Fri, Nov 04, 2016 at 08:49:59PM +0000, Pedro F. Giffuni wrote: > Author: pfg > Date: Fri Nov 4 20:49:59 2016 > New Revision: 308314 > URL: https://svnweb.freebsd.org/changeset/base/308314 > > Log: > sed(1): add LEGACY_BSDSED_COMPAT compile-time flag. > > In r297602, which included a __FreeBSD_version bump to 1100105, we changed > sed 'i' and 'a' from discarding whitespaces to conform with what GNU and > sysvish sed do. > > There are arguments in favor of keeping the old behavior but the new > behavior is also useful for migration purposes. It seems important to at > least consider the case of developers depending on the previous behavior, > so add a CFLAG to enable the old behaviour. If such legacy behavior appears to be useful or even important for real-world scenarios, I think that an environment variable controlling it is more practical and traditional than the recompilation.
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