#data
<div xmlns="http://www.w3.org/1999/xhtml">a
  <rdf:Description xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
</div>
#errors
/div/Description;element not defined;m
/div/Description;element not allowed:flow;m

#data
<div xmlns="http://www.w3.org/1999/xhtml">a
  <rdf:description xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/>
</div>
#errors
/div/description;element not defined;m
/div/description;element not allowed:flow;m