Message-ID:	<39972C2F.13040963@Shevchenko.Kiev.UA>
Date:	Mon, 14 Aug 2000 02:15:59 +0300
From:	Ruslan Shevchenko <Ruslan AT Shevchenko DOT Kiev DOT UA>
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To:	Paul Eggert <eggert AT twinsun DOT com>
CC:	meyering AT ascend DOT com, eliz AT is DOT elta DOT co DOT il, tr AT eth DOT net,
	djgpp-workers AT delorie DOT com, autoconf AT gnu DOT org
Subject:	Re: portability of sed's \{0,1\}?
References:	<Pine DOT LNX DOT 4 DOT 21 DOT 0007250651010 DOT 823-100000 AT midpec DOT com>
	<200008110941 DOT CAA29407 AT drawbridge DOT ascend DOT com>
	<uryem3w86ib DOT fsf AT ixi DOT eng DOT ascend DOT com>
	<200008111728 DOT KAA12810 AT drawbridge DOT ascend DOT com>
	<urysnsb4qia DOT fsf_-_ AT ixi DOT eng DOT ascend DOT com>
	<200008111956 DOT MAA12359 AT ruby DOT twinsun DOT com> <uryzomi3opc DOT fsf AT ixi DOT eng DOT ascend DOT com> <200008130629 DOT XAA17773 AT green-office DOT twinsun DOT com>
Reply-To:	djgpp-workers AT delorie DOT com

Paul Eggert wrote:

>    From: Jim Meyering <meyering AT ascend DOT com>
>    Date: 12 Aug 2000 09:47:59 +0200
>
>    Thanks, but if no one can point to an actual system for which
>    sed's \{m,n\} doesn't work, I'm going to document it as portable.
>
> The sed FAQ, version 014 <http://www.cornerstonemag.com/sed/sedfaq.html> says:
>
> * Ultrix 4.3 sed doesn't support \(...\)\{...\} (the idiom used here).
> * Likewise for HHsed v1.5 (by Howard Helman).
> * sedmod v1.0 (by Hern Chen) doesn't support \{...\} at all.
>
> (Granted, these are marginal targets these days.  I vaguely recall that
> someone has a bug-fix-only 4.3BSD VAX on the net somewhere in Russia,
> with guest accounts.  Would that count?  :-)
>

Why still supports ultrix-es ?



>
> Perhaps the autoconf programming-style section should mention the sed FAQ.

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