--- Source/WebCore/dom/Document.cpp.orig 2020-11-19 14:44:20.091862970 +0100 +++ Source/WebCore/dom/Document.cpp 2020-11-19 14:46:24.347862896 +0100 @@ -4222,12 +4222,12 @@ unsigned i = 0; UChar32 c; - U16_NEXT(characters, i, length, c) + U16_NEXT(characters, i, length, c); if (!isValidNameStart(c)) return false; while (i < length) { - U16_NEXT(characters, i, length, c) + U16_NEXT(characters, i, length, c); if (!isValidNamePart(c)) return false; } @@ -4289,7 +4289,7 @@ for (unsigned i = 0; i < length;) { UChar32 c; - U16_NEXT(qualifiedName, i, length, c) + U16_NEXT(qualifiedName, i, length, c); if (c == ':') { if (sawColon) { ec = NAMESPACE_ERR;