Separate grammar document for spec

Hi,

Paul and I are thinking about whether it would be a good idea to extract
the fragment of the grammar common to Query and Update to a separate xml
file and include it into both documents. That should prevent them from
getting out of sync.

Comments?

Cheers,
Simon

-- 
Simon Schenk | ISWeb | Uni Koblenz
http://isweb.uni-koblenz.de
http://www.uni-koblenz.de/~sschenk
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