https://w3c.github.io/json-ld-api/tests/expand-manifest#t0122

@base <https://w3c.github.io/json-ld-api/tests/expand-manifest.jsonld> .
@prefix mf: <http://www.w3.org/2001/sw/DataAccess/tests/test-manifest#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<expand-manifest#t0122>
	a
		<vocab#PositiveEvaluationTest> ,
		<vocab#ExpandTest> ;
	rdfs:comment "Processors SHOULD generate a warning and MUST ignore IRIs having the form of a keyword. (Note: the resulting document will not be valid JSON-LD, due to the `null` value for `@id`)" ;
	mf:action <expand/0122-in.jsonld> ;
	mf:name "Ignore some IRIs when that start with @ when expanding." ;
	mf:result <expand/0122-out.jsonld> ;
	<vocab#option> [
		<vocab#normative> false ;
		<vocab#specVersion> "json-ld-1.1"
	] .