printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss());
} else {
printf(ent2ncr(__('By: %s')), get_comment_author_rss());
printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss());
} else {
printf(ent2ncr(__('By: %s')), get_comment_author_rss());