WoltLab/WCF — pull request #1740 by SoftCreatR (2014-06-04 16:42:31+00:00)
Title: reCaptcha optimization

reCaptcha answers with `ERROR_INVALID_COOKIE`, if javascript is disabled and the given answer within the fallback is wrong/malformed. In this case it's recommended to throw a `UserInputException` instead of a `SystemException`.