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   Model group ambiguities

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  • From: Helmut Lutzenberger <lutzenbe@informatik.tu-muenchen.de>
  • To: xml-dev@ic.ac.uk
  • Date: Tue, 28 Jul 1998 18:33:26 +0200


 I read something about model group ambiguities, saying things like:
(item?, item) are ambiguous and are therefor not parseable by an

My question is now; model groups are regular expressions and every
expression is equal to a nondetermenistic automat and with
Myhill-Nerode it
is possible to build an determenistic automat equal to the
one. So I thing it should be possible for the XML-Parser to eliminate
ambiguities automatically, without too much trouble. Or am I wrong?


Helmut Lutz Lutzenberger
Phone: +49-89-68 29 17
Email: lutzenbe@informatik.tu-muenchen.de

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