# LaTeX3: problem with .generate_coices:n after l3kernel update

I'd like to report an issue I encountered with the l3keys sub-package of l3kernel (Hope it is ok to be done here). The test code at the end produces the error

! Undefined control sequence.
<argument> \l_keys_choice_int


test code:

\documentclass{article}
\usepackage{expl3}

\ExplSyntaxOn
\keys_define:nn{user}{
colour .choice_code:n = {\l_keys_choice_tl},
colour .generate_choices:n = {black,white},
colour .default:n = {black},
}
\newcommand\cat[1][colour]{\keys_set:nn{user}{#1}}
\ExplSyntaxOff

\begin{document}
My cat is \cat. Your cat is \cat[colour=white].
\end{document}

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For 'out and out' bugs like this, the bug database (github.com/latex3/svn-mirror/issues) would be a good place to log things. –  Joseph Wright Jun 6 '11 at 11:03