code: def t_LINE_OR_KEYWORD_VALUE(self, t):
          r':.+'
          t.value = t.value[1:].strip()
          if t.value in self.reserved.keys():
              t.type = self.reserved[t.value]
          else:
              t.type = 'LINE'
          return f t_LINE_OR_KEYWORD_VALUE(self, t):
          r':.+'
          t.value = t.value[1:].strip()
          if t.value in self.reserved.keys():
              t.type = self.reserved[t.value]
          else:
              t.type = 'LINE'
          return t
docs: r':.+