#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID=""/>
</rdf:RDF>
#errors
/RDF/Description/@ID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description ID=""/>
</rdf:RDF>
#errors
/RDF/Description/@ID;unqualified rdf attr;s
/RDF/Description/@ID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="hoge"/>
</rdf:RDF>
#errors

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="&#x4e00;&#x6000;"/>
</rdf:RDF>
#errors

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="ab c"/>
</rdf:RDF>
#errors
/RDF/Description/@ID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="124"/>
</rdf:RDF>
#errors
/RDF/Description/@ID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="a:b"/>
</rdf:RDF>
#errors
/RDF/Description/@ID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="_abc"/>
</rdf:RDF>
#errors

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:ID="0"/>
</rdf:RDF>
#errors
/RDF/Description/@ID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:nodeID=""/>
</rdf:RDF>
#errors
/RDF/Description/@nodeID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:nodeID="abc"/>
</rdf:RDF>
#errors

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:nodeID="_aaa"/>
</rdf:RDF>
#errors

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:nodeID="&#x4e00;"/>
</rdf:RDF>
#errors

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:nodeID="a  nb"/>
</rdf:RDF>
#errors
/RDF/Description/@nodeID;rdf-id:syntax error;m

#data
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:nodeID="a:nb"/>
</rdf:RDF>
#errors
/RDF/Description/@nodeID;rdf-id:syntax error;m