if ( $oid && $this->lastline ) {
$ret = preg_replace( "/!OLDID!([0-9]+)!/", $this->mSkin->makeKnownLink(
$artname, $last, "diff=\\1&oldid={$oid}",'' ,'' ,' tabindex="'.$counter.'"' ), $this->lastline );
} else {
if ( $oid && $this->lastline ) {
$ret = preg_replace( "/!OLDID!([0-9]+)!/", $this->mSkin->makeKnownLink(
$artname, $last, "diff=\\1&oldid={$oid}",'' ,'' ,' tabindex="'.$counter.'"' ), $this->lastline );
} else {