"../../../../../../org/apache/fop/complexscripts/util/GlyphSequence.html" title="class in org.apache.fop.complexscripts.util">GlyphSequence</A>&nbsp;gs,
           java.lang.String&nbsp;script,
           java.lang.String&nbsp;language,
           <A HREF="../../../../../../org/apache/fop/complexscripts/util/ScriptContextTester.html" title="interface in org.apache.fop.complexscripts.util">ScriptContextTester</A>&nbsp;sct)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Perform subst