#data
<table xmlns="http://www.w3.org/1999/xhtml" sortable=""/>
#errors
/table/@sortable;attr:obsolete;m

#data
<th xmlns="http://www.w3.org/1999/xhtml" sorted="">a</th>
#errors
/th/@sorted;attr:obsolete;m

#data
<p xmlns="http://www.w3.org/1999/xhtml" onsort="">a</p>
#errors
/p/@onsort;attr:obsolete;m