<cfset variables.feedXML = application.blog.generateRSS(mode=mode,params=params,version=version,additionalTitle=additionalTitle) />
<cfset variables.lastModified = XMLSearch ( XMLParse ( variables.feedXML ), '//item[1]/pubDate' ) /><cfset variables.lastModified = variables.lastModified[1].XMLText />
<cfset variables.ETag = hash ( variables.lastModified ) />