792      * @param int $ybeg
796     function _block($xbeg, $xlen, $ybeg, $ylen, &$edits) {  argument
797         $this->_start_block($this->_block_header($xbeg, $xlen, $ybeg, $ylen));
826      * @param int $ybeg
830     function _block_header($xbeg, $xlen, $ybeg, $ylen) {  argument
834             $ybeg .= "," . ($ybeg + $ylen - 1);
836         return $xbeg . ($xlen ? ($ylen ? 'c' : 'd') : 'a') . $ybeg;
1096     function _block_header($xbeg, $xlen, $ybeg, $ylen) {  argument
1100             $ybeg .= "," . $ylen;
1101         return "@@ -$xbeg +$ybeg @@\n";
1146     function _block_header($xbeg, $xlen, $ybeg, $ylen) {  argument
1149         $l2 = $lang['line'].' '.$ybeg;
1260     function _block_header($xbeg, $xlen, $ybeg, $ylen) {  argument
1265             $ybeg .= "," . $ylen;
1266 …="'.$this->colspan.'" '.HTMLDiff::css('diff-blockheader').'>@@ '.$lang['line']." -$xbeg +$ybeg @@";