private void ReadNonFFFE()
{
int off;
byte[] buff = BufferReader.GetBuffer(3, out off);
if (buff[off + 1] == 0xBF && (buff[off + 2] == 0xBE || buff[off + 2] == 0xBF))
{
XmlExceptionHelper.ThrowXmlException(this, new XmlException(SR.Format(SR.XmlInvalidFFFE)));
}
BufferReader.Advance(3);
}