http://rdfa.info/test-suite/test-cases/rdfa1.1/xml/manifest#0258

@base <http://rdfa.info/test-suite/test-cases/rdfa1.1/xml/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#> .

<#0258>
	a rdfatest:NegativeEvaluationTest ;
	rdfs:comment "Ensures that a prefix cannot start with an underscore character when specified using xmlns or prefix." ;
	mf:action <0258.xml> ;
	mf:name "Test 0258: The underscore character is not allowed as a prefix or in xmlns" ;
	mf:result <0258.ttl> ;
	test:classification test:required .