white = (c == ' ' || c == '\t' || c == '\n' || c == '\r');
white = (c == 0x20 || c == 0x09 || c == 0x0a || c == 0x0d);
  private void skipWhitespace()    throws IOException, XMLStreamException  {    boolean white;    do      {        mark(1);        char c = readCh();        while (c == '\uffff' && inputStack.size() > 1)          {            popInput();            c = readCh();          }        white = (c == ' ' || c == '\t' || c == '\n' || c == '\r');      }    while (white);    reset();  }