xstringfactory, doIndexing);
// NEVER track source locators for RTFs; they aren't meaningful. I think.
// (If we did track them, we'd need to tail-prune these too.)
m_useSourceLocationProperty=false; //org.apache.xalan.processor.TransformerFactoryImpl.m_source_location;
m_sourceSystemId = (m_useSourceLocationProperty) ? new StringVector() : null;
m_sourceLine = (m_useSourceLocationProperty) ? new IntVector() : null;
m_sourceColumn = (m_useSourceLocationProperty) ? new IntVector() : null;
}