#data
<a xmlns=""/>
#errors
#document
| <{} a>
|   xmlns xmlns=""

#data
<a xmlns="b"/>
#errors
#document
| <{b} a>
|   xmlns xmlns="b"

#data
<a xmlns="b" xmlns:c="d"/>
#errors
#document
| <{b} a>
|   xmlns c="d"
|   xmlns xmlns="b"

#data
<a xmlns:xml="http://www.w3.org/XML/1998/namespace"/>
#errors
#document
| <{} a>
|   xmlns xml="http://www.w3.org/XML/1998/namespace"

#data
<a xmlns="http://www.w3.org/XML/1998/namespace"/>
#errors
#document
| <{} a>
|   xmlns xmlns="http://www.w3.org/XML/1998/namespace"

#data
<a xmlns="http://www.w3.org/2000/xmlns/"/>
#errors
#document
| <{} a>
|   xmlns xmlns="http://www.w3.org/2000/xmlns/"

#data
<a xmlns:xmlns="http://www.w3.org/2000/xmlns/"/>
#errors
#document
| <{} a>
|   xmlns:xmlns="http://www.w3.org/2000/xmlns/"

#data
<a xmlns:xml="http://www.w3.org/2000/xmlns/" xml:lang="en"/>
#errors
#document
| <{} a>
|   xml lang="en"
|   xmlns xml="http://www.w3.org/2000/xmlns/"

#data
<x xmlns:a="http://www.w3.org/XML/1998/namespace" a:b="c"/>
#errors
#document
| <{} x>
|   a:b="c"
|   xmlns a="http://www.w3.org/XML/1998/namespace"

#data
<x xmlns:a="http://www.w3.org/2000/xmlns/" a:b="c"/>
#errors
#document
| <{} x>
|   a:b="c"
|   xmlns a="http://www.w3.org/2000/xmlns/"

#data
<a:b/>
#errors
#document
| <{} a:b>

#data
<a:b xmlns:a="c"/>
#errors
#document
| <{c} b>
|   xmlns a="c"

#data
<a xmlns="b"/><b xmlns="c"/><c/>
#errors
1;15;second root element;;;m
1;29;second root element;;;m
#document
| <{b} a>
|   xmlns xmlns="b"
| <{c} b>
|   xmlns xmlns="c"
| <{} c>

#data
<a xmlns:a=""/>
#errors
#document
| <{} a>
|   xmlns a=""

#data
<x xmlns:a="" a:b=""/>
#errors
#document
| <{} x>
|   a:b=""
|   xmlns a=""

#data
<x xmlns:a="a" xmlns:b="a" a:m="1" b:m="2"/>
#errors
1;1;duplicate ns attr;;b:m;m
#document
| <{} x>
|   xmlns a="a"
|   xmlns b="a"
|   {a} m="1"