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From: Junio C Hamano <junkio@cox.net>
Subject: Re: [PATCH] Don't use $author_name undefined when $from contains no /\s</.
Date: Fri, 20 Oct 2006 00:52:34 -0700
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To: Paul Eggert <eggert@CS.UCLA.EDU>
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Paul Eggert <eggert@CS.UCLA.EDU> writes:

> Since git uses diff -u format, it would make sense to git to work with
> the upcoming POSIX spec for diff -u, either by adjusting the spec or
> by adjusting git.

It is not quite fair to talk as if I still have a choice.

Apparently a version of GNU diff that generates new format is
already in the wild (I've received such a patch which was where
this thread started).  Whether I like your change or not, the
damage is already done and its output needs to be dealt with, so
that we do not break users.

Coding a workaround is not a big deal; the change is simple and
trivial.  It's just I am somewhat unhappy, having to do a .1
release immediately after v1.4.3 which took about two months to
stabilize, although that's not your fault.  Sorry for venting.