identity-constraint category]: one of key, keyref or unique.</TD>
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<CODE>&nbsp;<A HREF="../../../../org/apache/xerces/xs/StringList.html">StringList</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/xerces/xs/XSIDCDefinition.html#getFieldStrs()">getFieldStrs</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[fields]: a non-empty list of restricted  XPa