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<Paper uid="A97-1001">
  <Title>was given the highest grade of any Marine Corps portion of the exercise. In addition to these milestones, CommandTalk has been included in demonstrations of LeatherNet to numerous VIPs including General</Title>
  <Section position="4" start_page="5" end_page="5" type="metho">
    <SectionTitle>
(*LEFT-A NON-REC-A *RIGHT-A)
</SectionTitle>
    <Paragraph position="0"> In the Nuance regular expression notation, the Kleene star operator &amp;quot;*&amp;quot; precedes the iterated expression, rather than following it as in most notations for regular expressions. Thus, .X means that a sequence of zero or more instances of Z may occur.</Paragraph>
    <Paragraph position="1"> As an example, suppose the rules defining the non- null This completes the transformation of a Gemini grammar with finitely-valued categories and a finite-state backbone into a Nuance regular expression grammar. However, as one final optimization, we look for special cases where we can use the &amp;quot;Kleene plus&amp;quot; operator, which indicates one or more instances of an expression in sequence, and which is handled more efficiently by the Nuance recognizer than equivalent expressions using Kleene star. We simply look for sequences&amp;quot; of the form (*X X) or (X *X), and replace them with +X.</Paragraph>
  </Section>
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