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Message-ID:  <4CDBB5F9.9010507@morningstar2.co.uk>
Date:         Thu, 11 Nov 2010 09:23:05 +0000
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From: Joseph Wright <joseph.wright@MORNINGSTAR2.CO.UK>
Subject: Re: Rewriting polyglossia in LaTeX3
To: LATEX-L@listserv.uni-heidelberg.de
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Status: R

On 11/11/2010 09:01, Rémy Oudompheng wrote:
> I am encountering a problem with l3keys : the following code
>
> \documentclass{article}
> \usepackage{expl3}
> \begin{document}
> \ExplSyntaxOn
> \keys_define:nn { othermodule } {
>    a .code:n = Hello,
> }
> \keys_define:nn { module } {
>    a .code:n = Hello,
>    b .code:n = \keys_set:nn{othermodule}{a},
>    c .code:n = B,
> }
> \keys_set:nn { module }{b,c}
> \ExplSyntaxOff
> \end{document}
>
> fails with the error
>    The key 'othermodule/c' is unknown and is being ignored.
>
> So I guess \keys_set:nn are not meant to be nested. Is there an easy
> way to work around this (other than replacing \keys_set:nn{...}{...}
> by "Hello") ?
>

Hello Rémy,

That would be a bug, and would be my fault I guess. Give me a couple of 
days and I should sort this out: I'll need to do some thinking.
-- 
Joseph Wright