def verbatim(self, start):
    """
Find end of verbatim

Arg:
   self(Builder): Code constructor
   start (int): current position in code

Returns:
   int: index location of end of verbatim
     """

    if self.code[start:start+3] != "___":
        self.syntaxerror(start, "verbatim start")
    return self.code.find("\n", start)-1