protected function blockHeader( $xbeg, $xlen, $ybeg, $ylen ) {
// '<!--LINE \d+ -->' get replaced by a localised line number
// in DifferenceEngine::localiseLineNumbers
- $r = '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l' . $xbeg . '" ><!--LINE ' . $xbeg . "--></td>\n" .
- '<td colspan="2" class="diff-lineno"><!--LINE ' . $ybeg . "--></td></tr>\n";
+ $r = '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l' .
+ $xbeg .
+ '" ><!--LINE ' .
+ $xbeg .
+ "--></td>\n" .
+ '<td colspan="2" class="diff-lineno"><!--LINE ' .
+ $ybeg .
+ "--></td></tr>\n";
return $r;
}