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To: ache@nagual.pp.ru
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, delphij@FreeBSD.org,
	cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/lib/libc/resolv res_comp.c
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In message: <20080216024541.GA31498@nagual.pp.ru>
            Andrey Chernov <ache@nagual.pp.ru> writes:
: On Sat, Feb 16, 2008 at 12:16:49AM +0000, Xin LI wrote:
: > delphij     2008-02-16 00:16:49 UTC
: > 
: >   FreeBSD src repository
: > 
: >   Modified files:
: >     lib/libc/resolv      res_comp.c 
: >   Log:
: >   Allow underscore in domain names while resolving.  While having underscore
: >   is a violation of RFC 1034 [STD 13], it is accepted by certain name servers
: >   as well as other popular operating systems' resolver library.
: 
: Do you mean we'll have now different results from libc and from bind's 
: resolver for names with underscore? If yes, it sounds worse than RFC 
: violation committed.

Plus there was a very long, very heated thread about removing _ as a
valid name years ago.  Have conditions changed since then?  Frankly,
I'd like to have seen a change like this discussed more widely.  There
was much debate before, and there turned out to be good reasons for
omitting the _.  I just can't recall them now.

Warner