my $q_meta = quotemeta($q);
          my $tmp_test = ($page_title =~ /$q_meta/i) || 0;
          if (!$tmp_test) {

              my $tmp_test2 = lc $page_title eq lc $q;
              $is_exit = 1 if $tmp_test2;

              my $tmp_test3 = is_utf8($page_title);
              my $tmp_test4 = is_utf8($q);

              # For debugging.
              if ($is_dilbert) {
                  warn qq(\nDILBERT 1a\t$page_title\t$q_meta\t$tmp_test\t$tmp_test2\t$tmp_test3\t$tmp_test4\n") if \
$is_dilbert;
              }