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From: Peter Stephenson <pws@csr.com>
To: 516998@bugs.debian.org, zsh-workers@sunsite.dk
Subject: Re: Bug#516998: zsh regards reserved word as candidate for alias substitution
Date: Wed, 25 Mar 2009 16:23:28 +0000	[thread overview]
Message-ID: <200903251623.n2PGNSQM013375@news01.csr.com> (raw)
In-Reply-To: <20090325144931.GA9330@scru.org>

Clint Adams wrote:
> On Wed, Feb 25, 2009 at 12:18:46AM +0100, Vincent Lefevre wrote:
> > POSIX.1-2008 says[*]:
> > 
> >   2.3.1 Alias Substitution
> >   [...] However, reserved words in correct grammatical context
> >   shall not be candidates for alias substitution.
> > 
> > [*] http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html
> #tag_18_03_01
> > 
> > but zsh gives:
> > 
> > vin% emulate sh
> > vin% alias !="echo OK"
> > vin% ! foo
> > OK foo
> > vin% 
> > 
> > instead of running command "foo". ksh93, pdksh, dash and bash
> > in POSIX mode all behave correctly.
> 
> Where it seems that "correctly" means that setting the alias
> succeeds, but ! is never substituted.

This was fixed in 26675.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


      reply	other threads:[~2009-03-25 16:24 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20090224231846.GA15279@vin.lip.ens-lyon.fr>
2009-03-25 14:49 ` Clint Adams
2009-03-25 16:23   ` Peter Stephenson [this message]

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