Re: lowercase letters for binaries

[Charles Levert]

* On Monday 2005-11-07 at 01:53:17 +0000, Julian Foad wrote:
> Charles Levert wrote:
> [...]
> >Hence, my question was:  is that the
> >justification used by the POSIX committee when
> >they standardized on this behavior for EREs?
> 
> No.  See the Open Group's rationale:
> 
> http://www.opengroup.org/onlinepubs/009695399/xrat/xbd_chap09.html#tag_01_09_04
> 
> "It was suggested that, in addition to interval expressions, 
> back-references ( '\n' ) should also be added to EREs. This was rejected by 
> the standard developers as likely to decrease consensus."
> 
> Presumably the lack of historical support for back-refs in ERE made it too 
> controversial.

Thanks for the pointer (and the answer).
I was familiar with this whole reference
(<http://www.opengroup.org/onlinepubs/009695399/>),
but not with this Appendix in particular.

Have you had the time to take another look at
the [ef]grep patch?  I have made a few small
improvements since, but I don't want to submerge
potential testers with too many versions.