Re: grep -E ? (Was: Compilation problem solved)

[Pavel Roskin]

Hello, Alexandre!

> >> `+' isn't a portable literal.  Some implementations seem to use it as
> >> a meta-character with the usual meaning, but without support for it
> >> after `*'.
> 
> > Alexandre, could you be more exact?
> 
> No.  I seem to recall some comments about non-portability of `+', and
> certainly associated them with this bug report when it came up.  In
> other words, don't pay attention to what I wrote.  If Paul said it's
> ok to assume `+' is not a meta-character in `grep', I believe it.

You shouldn't believe it. The answer is Plan 9. See the discussion in
[EMAIL PROTECTED] starting with

http://sources.redhat.com/ml/autoconf-prs/2000-q3/msg00015.html

This means that my patch for enclosing plus in square backets should be
applied, maybe with a comment about Plan 9. PR/138 should be closed after
that. Anybody?

Regards,
Pavel Roskin