This is the XML Schema Document Structure module for XHTML Document Structure * title, head, body, html The Structure Module defines the major structural elements and their attributes. $Id: xhtml-struct-1.xsd,v 1.1 2018/03/20 04:14:02 plehegar Exp $ This import brings in the XML namespace attributes The module itself does not provide the schemaLocation and expects the driver schema to provide the actual SchemaLocation.