Message-Id:	<200008120859.EAA12237@delorie.com>
Date:	Sat, 12 Aug 2000 12:02:21 +0200
To:	eggert AT twinsun DOT com
X-Mailer:	WinNT's Blat ver 1.8.5b http://www.interlog.com/~tcharron
X-Mailer:	Emacs 20.6 (via feedmail 8.2.emacs20_6 I) and Blat ver 1.8.5b
From:	"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
CC:	meyering AT ascend DOT com, tr AT eth DOT net, djgpp-workers AT delorie DOT com,
	autoconf AT gnu DOT org, ken AT gnu DOT org
In-reply-to:	<200008111956.MAA12359@ruby.twinsun.com> (message from Paul
	Eggert on Fri, 11 Aug 2000 12:56:20 -0700 (PDT))
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>
Reply-To:	djgpp-workers AT delorie DOT com
Errors-To:	nobody AT delorie DOT com
X-Mailing-List:	djgpp-workers AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

> Date: Fri, 11 Aug 2000 12:56:20 -0700 (PDT)
> From: Paul Eggert <eggert AT twinsun DOT com>
> 
> Most likely, seds that don't support ? and \| also don't support
> \{m,n\}, as I recall that those features were introduced to USG Unix
> at about the same time.

My references indicate otherwise.  For example, SunOS 4.x man page
for ed(1) clearly says that \{m,n\} is supported, while ? and \| are
not.  This is consistent with the latter two not being part of BRE.

Ken, could you comment on this?

- Raw text -