code: def codepoint_included(self, codepoint):
          
          if self.codepoints == None:
              return True
          for cp in self.codepoints:
              mismatch = False
              for i in range(len(cp)):
                  if (cp[i] is not None) and (cp[i] != codepoint[i]):
                      mismatch = True
                      break
              if not mismatch:
                  return True
          return False
docs: Check if codepoint matches any of the defined codepoints.