<?xml version="1.0" encoding="UTF-8"?><!--OMA Push Cache Operation Document Type DefinitionCopyright Open Mobile Alliance Ltd., 2005          All rights reservedTerms and conditions of use are available from the Open Mobile Alliance Ltd. web site athttp://www.openmobilealliance.org/useterms.html--><!--Cache Operation (CO) Document Type Definition.CO is an XML language.  Typical usage:   <?xml version="1.0"?>   <!DOCTYPE co PUBLIC "-//OMA//DTD CO 1.0//EN"          "http://www.openmobilealliance.com/tech/DTD/co_1.0.dtd">   <co>   ...   </co>--><!--================ The co Element ================--><!ELEMENT co (invalidate-object | invalidate-service)+><!--==================== The invalidate-object Element ====================--><!ELEMENT invalidate-object EMPTY><!ATTLIST invalidate-object   uri 	CDATA 			#REQUIRED><!--==================== The invalidate-service Element ====================--><!ELEMENT invalidate-service EMPTY><!ATTLIST invalidate-service   uri 	CDATA 			#REQUIRED>