---input---
[:html [:body [:p "surely you must be joking"]]]

---tokens---
'['           Punctuation
':html'       Name.Constant
' '           Text.Whitespace
'['           Punctuation
':body'       Name.Constant
' '           Text.Whitespace
'['           Punctuation
':p'          Name.Constant
' '           Text.Whitespace
'"'           Literal.String
'surely you must be joking' Literal.String
'"'           Literal.String
']'           Punctuation
']'           Punctuation
']'           Punctuation
'\n'          Text.Whitespace