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Date: Thu, 4 Oct 2018 17:09:56 +0100 (BST)
From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: =?UTF-8?Q?Cl=C3=A9ment_BARRET?= <rotogluon@gmail.com>,
	zsh-workers@zsh.org
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Subject: Re: [ BUG ] Parameter expansion issue on a defined as an empty
 string variable, using the "NO UNSET" flag.
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> On 04 October 2018 at 16:44 Cl=C3=A9ment BARRET <rotogluon@gmail.com> wro=
te:
> It appears there is a mix related to the colon use (which forces "set and
> not empty strings") and the special ":#" expansion type when using the "s=
et
> -u" flag.
>=20
> Let's consider this example :
>=20
> #!/bin/zsh
> set -u;
>=20
> typeset youpi=3D"";
> echo "youpi 5 ${youpi:#*.cfg}";

So you're getting a "parameter not set here", which is wrong.

Which version of zsh are you using and does this happen from "zsh -f"? I
haven't managed to get this to happen.

pws