On Nov 9, 2006, at 16:07, Lachlan Hunt wrote:

Since (a & b) is equivalent to (a, b)|(b, a), aren't both of those equivalent as well?

That's one of the limitations of DTDs. :-)

In RELAX NG & means a real interleave, so the above equivalence holds if a and b are terminals but doesn't hold if a and b are non- terminals that expand with + or *.

--
Henri Sivonen
[EMAIL PROTECTED]
http://hsivonen.iki.fi/


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