Changes
technically all you need to do is set it
:<tt>{{As of{{!}}2008{{!}}4{{!}}1{{!}}alt=as of the <nowiki>[[2000 United States Census]]</nowiki>}}</tt> — {{As of|2008|4|1|alt=as of the [[2000 United States Census]]}}
:<tt>{{As of{{!}}2008{{!}}7{{!}}5{{!}}df=US}}</tt> — {{As of|2008|7|5|df=US}}
:<tt>{{As of{{!}}2008{{!}}7{{!}}5{{!}}lc=on}}</tt> — {{As of|2008|7|5|lc=on}}
:<tt>{{As of{{!}}2008{{!}}7{{!}}url=<nowiki>http://en.wikipedia.org/</nowiki>}}</tt> returns: