Echo10 ../../../xml/samples/slideSample01.xml LOCATOR SYS ID: file:/java/pubs/dev/tutorial/examples/jaxp/sax/work/../../../xml/samples/slideSample01.xml START DOCUMENT ** Warning, line 5, uri file:/java/pubs/dev/tutorial/examples/jaxp/sax/work/../../../xml/samples/slideSample01.xml Valid documents must have a