Re: Why a '-quoted string isn't respected by // subst, while \-quoted is?

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

Roman Perepelitsa wrote on Wed, Jan 25, 2023 at 14:10:26 +0100:
> On Wed, Jan 25, 2023 at 2:00 PM Sebastian Gniazdowski
> <sgniazdowski@xxxxxxxxx> wrote:
> >
> > Ok, I'll take a closer look, however I'm now struggling with similar problem:
> >
> > QE='0=${${(M)${0::=${(%):-%x}}:#/*}:-$PWD/$0}'
> > print ${QE//'0=${${(M)${0::=${(%):-%x}}:#/*}:-$PWD/$0}'/°match°}
> >
> > the strings in QE and in …//'…'/… are identical. Why no match?
> 
> This looks like a bug in zsh. Here's a simpler test case:
> 
>     % x='/'
>     % print -r -- ${x/'/'}
>     /
> 
> I expect the output to be empty but it's in fact "/".
> 
> This one also looks wrong:
> 
>     % x=\'
>     % print -r -- ${x/'/'}
> 
> Here the output is empty while I expect a single quote.

XFail regression tests added in 096e72ce78ac.

Cheers,

Daniel