$classes[] = $watched && $rc->mAttribs['rc_timestamp'] >= $watched
? 'mw-changeslist-line-watched' : 'mw-changeslist-line-not-watched';
$classes[] = $watched && $rc->mAttribs['rc_timestamp'] >= $watched
? 'mw-changeslist-line-watched' : 'mw-changeslist-line-not-watched';