* @param repeat - if TRUE, repeat header row at the top of each page of table;
* if FALSE, don't repeat header row.
*/
public void setRepeatHeader(boolean repeat) {
CTTrPr trpr = getTrPr();
CTOnOff onoff = trpr.addNewTblHeader();
onoff.setVal(repeat ? STOnOff.ON : STOnOff.OFF);
}