The byte stream was erroneous according to the character encoding that was inherited from the parent document. The character encoding needs to be declared in the Content-Type HTTP header or using a byte order mark.
Bajtowa tšuga jo była zamólnje pó koděrowanju znamuškow, kótaraž jo derbnuła wót nadrědowanego dokumenta. Koděrowanje znamuškow musy se w głowje Content-Type HTTP abo z pomocu marki bajtowego pórěda (BOM) deklarěrowaś.