- $skel .= ", back to <a\nhref=\"../../\">index</a>";
- $skel .= "\n<a\nid=t>$nr+ messages in thread:</a> (download: ";
- $skel .= "<a\nhref=\"../t.mbox.gz\">mbox.gz</a>";
+ $skel .= ", back to <a\nhref=\"../../\">index</a>\n\n";
+ $skel .= "<b\nid=t>Thread overview:</b> ";
+ $skel .= $nr == 1 ? '(only message)' : "$nr+ messages";
+ $skel .= " (download: <a\nhref=\"../t.mbox.gz\">mbox.gz</a>";