It exists in the one I have (but as an element, not an attribute, which is correct) pmuir@animal:~$ cat jboss-seam-1.2.1.GA/src/main/org/jboss/seam/web-1.2.xsd | <?xml version="1.0" encoding="UTF-8"?> | <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" | targetNamespace="http://jboss.com/products/seam/web" xmlns:web="http://jboss.com/products/seam/web" | xmlns:components="http://jboss.com/products/seam/components" attributeFormDefault="unqualified"> | <xs:import namespace="http://jboss.com/products/seam/components" schemaLocation="components-1.2.xsd"/> | | ... | | <xs:element name="character-encoding-filter"> | <xs:complexType mixed="true"> | <xs:attributeGroup ref="components:attlist.component"/> | <xs:attributeGroup ref="web:attlist.filter"/> | <xs:attribute name="encoding" type="xs:string"/> | <xs:attribute name="override-client" type="xs:boolean"/> | </xs:complexType> | </xs:element> | | ... | </xs:schema> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4053934#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...