http://rdfa.info/test-suite/test-cases/rdfa1.1/xhtml5/manifest#0279

@base <http://rdfa.info/test-suite/test-cases/rdfa1.1/xhtml5/manifest> .
@prefix mf: <http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#> .
@prefix rdfatest: <http://rdfa.info/vocabs/rdfa-test#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix test: <http://www.w3.org/2006/03/test-description#> .

<#0279>
	a rdfatest:PositiveEvaluationTest ;
	rdfs:comment "If @datatype is specified, it must override the automatic datatype." ;
	mf:action <0279.xhtml> ;
	mf:name "Test 0279: @datatype used with @datetime overrides default datatype" ;
	mf:result <0279.ttl> ;
	test:classification test:required ;
	test:specificationReference "HTML+RDFa 1.1 3.1" .