The character encoding declaration of document was found too late for it to take effect. The encoding declaration needs to be moved to be within the first 1024 bytes of the file.
Canfuwyd datganiad amgodiad nod y ddogfen yn rhy hwyr i greu effaith. Mae angen symud y datganiad amgodio i fod o fewn y 1024 beit cyntaf y ffeil.