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  • From: Lars Marius Garshol <larsga@ifi.uio.no>
  • To: xml-dev@ic.ac.uk
  • Date: 20 May 1999 00:05:23 +0200

* roddey@us.ibm.com
| The original content model is pretty unambiguous. If you get one to
| two As, then D and E are optional. If you get 3 to 5 As, then D and
| E are not. But in the DFA, that would be pretty ambiguous, wouldn't
| it? 

You're quite right, my suggested transformation could inject ambiguity
into a content model that did not originally have it, and this does
make it appear much less attractive.

I haven't had time to think it through, but it might be possible to
contrive a solution that in the case of merged foo{m,n} groups would
choose different exits depending on the actual number of foos. Or it
may be too difficult to actually be much of a gain.

--Lars M.

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