Make sure we don't try to use a null systemID.  If a FormatterListener instance already has a PrefixResolver instance, then go ahead and use that one.
Make sure we don't try to use a null systemID.  If a FormatterListener instance already has a PrefixResolver instance, then go ahead and use that one.


apache/xalan-c,apache/xalan-c,apache/xalan-c,apache/xalan-c