#data
<generator xmlns="http://www.w3.org/2005/Atom"></generator>
#errors

#data
<generator xmlns="http://www.w3.org/2005/Atom">  </generator>
#errors

#data
<generator xmlns="http://www.w3.org/2005/Atom">abc</generator>
#errors

#data
<generator xmlns="http://www.w3.org/2005/Atom"><name/></generator>
#errors
/generator/name;element not allowed:text;m

#data
<generator version="" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors

#data
<generator version="hoge" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors

#data
<generator uri="" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors

#data
<generator uri="http://hoge/" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors

#data
<generator uri=" http://hoge/" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors
/generator/@uri;syntax error:iriref3987;m

#data
<generator uri="[]http://hoge/" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors
/generator/@uri;syntax error:iriref3987;m

#data
<generator url="http://hoge/" xmlns="http://www.w3.org/2005/Atom"></generator>
#errors
/generator/@url;attribute not defined;m

#data
<category xmlns="http://www.w3.org/2005/Atom"/>
#errors
/category;attribute missing;term;m

#data
<category term="" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category term="abc" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category label="" term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category label="  " term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category label="abc" term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category scheme="" term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category scheme="http://a/" term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category scheme="bb" term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors

#data
<category scheme="http://foo/ " term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors
/category/@scheme;syntax error:iriref3987;m

#data
<category scheme="[]http://a/" term="x" xmlns="http://www.w3.org/2005/Atom"/>
#errors
/category/@scheme;syntax error:iriref3987;m

#data
<category term="x" xmlns="http://www.w3.org/2005/Atom"></category>
#errors

#data
<category term="x" xmlns="http://www.w3.org/2005/Atom">  </category>
#errors

#data
<category term="x" xmlns="http://www.w3.org/2005/Atom">abc</category>
#errors
/category/"abc";character not allowed:empty;m

#data
<category term="x" xmlns="http://www.w3.org/2005/Atom"><name/></category>
#errors
/category/name;element not allowed:empty;m