_DoUrlDecodeChunk
static BString _DoUrlDecodeChunk(const BString& chunk,
fUser = _DoUrlDecodeChunk(fUser, strict);
fPassword = _DoUrlDecodeChunk(fPassword, strict);
fHost = _DoUrlDecodeChunk(fHost, strict);
fFragment = _DoUrlDecodeChunk(fFragment, strict);
fPath = _DoUrlDecodeChunk(fPath, strict);
return _DoUrlDecodeChunk(url, strict);