parameters: (self, name, type, content)
docstring: called when an ELEMENT definition has been found
docstring_summary: called when an ELEMENT definition has been found
docstring_tokens: called when an ELEMENT definition has been found
function: def elementDecl(self, name, type, content):
          """called when an ELEMENT definition has been found"""
          pass
function_tokens: def elementDecl ( self , name , type , content ) : pass