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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#data
<p hidden="" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors

#data
<p hidden=" " xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="hidden" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors

#data escaped
<p hidden="h\u0130dden" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data escaped
<p hidden="h\u0131dden" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="irrelevant" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden=" hidden" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="hidden " xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden=" hidden " xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="Hidden" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors

#data
<p hidden="HIDDEN" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors

#data
<p hidden="shown" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="hide" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="false" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="true" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="yes" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<p hidden="on" xmlns="http://www.w3.org/1999/xhtml">x</p>
#errors
/p/@hidden;boolean:invalid;m[t]

#data
<div xmlns="http://www.w3.org/1999/xhtml">
  <p hidden="">a</p>
</div>
#errors
/div;no significant content;s