This sample file can also be found in the Author SDK distribution in the "oxygenAuthorSDK\samples\Simple Documentation Framework - SDF\framework\schema" directory.
<?xml version="1.0" encoding="UTF-8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace= "http://www.oxygenxml.com/sample/documentation/abstracts"> <xs:element name="def" type="xs:string"/> </xs:schema>