On 18/12/2010 01:31, Philipp Stephani wrote:
> Hello,
>
> lines 1377 to 1383 of l3tl.dtx read
>
>      \tex_ifx:D \l_tl_tmpa_tl \l_tl_tmpb_tl
>        \group_end:
>        \prg_return_false:
>      \tex_else:D
>        \group_end:
>        \prg_return_false:
>      \tex_fi:D
>
> The first \prg_return_false: should be \prg_return_true:.
>
> Regards,
> Philipp
>

Fixed in the SVN: CTAN update upcoming.
-- 
Joseph Wright