Fix #460: the blacklist did not work anymore
Fix #460: the blacklist did not work anymore

NielsLeenheer/html5test,chiefcll/html5test,mpopp75/html5test,chiefcll/html5test,NielsLeenheer/html5test,mpopp75/html5test,mpopp75/html5test,NielsLeenheer/html5test,chiefcll/html5test