Date: Fri, 11 Aug 2000 17:14:50 -0400 (EDT)
From: Steve Robbins <steve AT nyongwa DOT montreal DOT qc DOT ca>
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\}?
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On Fri, 11 Aug 2000, Paul Eggert wrote:

> 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.  Unix Version 7 didn't have them.

IRIX 6.5 sed, for one, does NOT support ?, but it DOES support \{0,1\}.

-Steve