An XML Data Island is an XML document which exists within an HTML document. An XML document can be inline, referenced through a source attribute or within SCRIPT tags.
<XML ID="XMLID"> <customer> <name>Richard Nixon</name> <custID>81422</custID> </customer> </XML>Parts with an inline XML Data Island.
<XML ID="XMLID" SRC="customer.xml"></XML>Parts with an with a SRC attribute XML file.
<SCRIPT LANGUAGE="xml" ID="XMLID"> <customer> <name>Richard Nixon</name> <custID>81422</custID> </customer> </SCRIPT>Parts within a SCRIPT tag.