code: def p_description(self, p):
          'description : definitions'
          p[0] = Description(definitions=p[1], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1)f p_description(self, p):
          'description : definitions'
          p[0] = Description(definitions=p[1], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1))
docs: description : definitions