Paul Eggert wrote:
> From: Jim Meyering <[EMAIL PROTECTED]>
> 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.