+ $more = undef if defined($after) && $after < $oldest;
+ }
+ if (defined($after // $before)) {
+ my $n = strftime('%Y-%m-%d %H:%M:%S', gmtime($newest));
+ my $o = strftime('%Y-%m-%d %H:%M:%S', gmtime($oldest));
+ $ctx->{t_note} = <<EOM;
+ messages from $o to $n UTC, [<a href="#nav">more...</a>]
+EOM
+ my $s = ts2str($newest);
+ $ctx->{prev_page} = qq[<a\nhref="?t=$s-"\nrel=prev>] .
+ 'prev (newer)</a>';