code: def unq_argument(self) -> str:
          
          start = self.offset
          self.dfa([
              {  # state 0: argument
                  "": lambda: 0,
                  ";": lambda: -1,
                  " ": lambda: -1,
                  "\t": lambda: -1,
                  "\r": lambda: -1,
                  "\n": lambda: -1,
                  "{": lambda: -1,
                  '/': lambda: 1
              },
              {  # state 1: comment?
                  "": lambda: 0,
                  "/": self._back_break,
                  "*": self._back_break
              }])
          self._arg = self.input[start:self.offset]
docs: Parse unquoted argument.
  
          Raises:
              EndOfInput: If past the end of input.