ject
  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../com/icl/saxon/pattern/Pattern.html" title="class in com.icl.saxon.pattern">com.icl.saxon.pattern.Pattern</A>
      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>com.icl.saxon.pattern.UnionPattern</B>
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<DT>public class <B>UnionPattern</B><DT>extends <A HREF="../../../../com/icl/saxon/pattern/Pattern.html" title="class in com.icl.saxon.pattern">Pattern</A></DL>

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A pattern