code: def check_copyright_symbol(text):
      
      err = "typography.symbols.copyright"
      msg = u"(c) is a goofy alphabetic approximation, use the symbol ©."
      regex = "\([cC]\)"
  
      return existence_check(
          text, [regex], err, msg, max_errors=1, require_padding=False)
docs: Use the copyright symbol instead of (c).