---input---
POST /login HTTP/1.1
Content-Type: application/x-www-form-urlencoded
Content-Length: 50

login=foo&password=12345


---tokens---
'POST'        Name.Function
' '           Text
'/login'      Name.Namespace
' '           Text
'HTTP'        Keyword.Reserved
'/'           Operator
'1.1'         Literal.Number
'\n'          Text

'Content-Type' Name.Attribute
''            Text
':'           Operator
' '           Text
'application/x-www-form-urlencoded' Literal
'\n'          Text

'Content-Length' Name.Attribute
''            Text
':'           Operator
' '           Text
'50'          Literal
'\n'          Text

'\n'          Text

'login'       Name.Tag
'='           Operator
'foo'         Literal.String
'&'           Punctuation
'password'    Name.Tag
'='           Operator
'12345\n'     Literal.String