(HTML
(HEAD
(TITLE
"foo
)TITLE
)HEAD
(BODY
"\n
(A
"Here is an 
(UNKNOWN
"unknown element
)UNKNOWN
" in some inline text
)A
"\n
(DIV
"and 
(UNKNOWN
"here
)UNKNOWN
" in some block text
)DIV
"\n
(P
"and 
(UNKNOWN
"here
)UNKNOWN
" in a paragraph
)P
"\n\n
(UNKNOWN
"\n
(P
"containing p tag
)P
"\n
)UNKNOWN
"\n
(UNKNOWN
"\n
(A
"a tag
)A
"\n
)UNKNOWN
"\n
(UNKNOWN
"\n
(DIV
"and a div
)DIV
"\n
)UNKNOWN
"\n
)BODY
)HTML
