On Tue, Apr 04, 2006 at 08:19:52PM +0200, Ralf Wildenhues wrote:
> * Noah Misch wrote on Tue, Apr 04, 2006 at 08:01:03PM CEST:
> > This zsh sets NULLCMD=: when invoked as sh:
> 
> > $ /bin/sh  -c 'echo $NULLCMD'
> > :
> > $ /bin/zsh -c 'echo $NULLCMD'
> > cat
> > $ /bin/zsh -c 'echo $ZSH_VERSION'
> > 3.0.8
> 
> So for pdfroff this seems indeed irrelevant.  What does
>   /bin/zsh -c 'emulate sh; echo $NULLCMD'

$ /bin/zsh -c 'emulate sh; echo $NULLCMD'
cat

> output?  If that is `cat', then this is still relevant for configure
> scripts: they may, on other systems, choose this zsh version over the
> presumably-defective /bin/sh (and also invoke it with that name).

Agreed.


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