[XeTeX] xparse fails

[Gareth Hughes]

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On 01/08/11 23:35, Vafa Khalighi wrote:
> There was a similar problem reported a while ago. I do not know about
> xparse internals as I do not maintain it but Joseph should know what is
> going on. See also the similar issue which was reported in July:
> 
> http://tug.org/pipermail/xetex/2011-July/020840.html

Now that's interesting. My system actually seems to have two copies of
xparse.sty on it. The paths and ids of each are

texmf-dist/tex/latex/l3packages/xparse/xparse.sty (Id: xparse.dtx 2492
2011-07-02 13:40:38Z joseph)
texmf-dist/tex/latex/xpackages/xbase/xparse.sty (Id: xparse.dtx 2219
2011-04-08 21:07:45Z joseph)

However, the command "kpsewhich xparse.sty" only delivers the first of
these (isn't it supposed to deliver all occurrences?). The line that
caused problems in that old thread is corrected in the newer copy (first
copy), but not in the older one.

The thing is that it has only just stopped working now. So, a recent
update has created the problem.

Gareth.
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