searchview: clarify numeric summary at bottom

Xapian can only give estimated results when a result limit is
given to it, so make clear it is an estimate to avoid showing
non-sensical ranges when no results are returned.

1 files changed, 9 insertions, 3 deletions

diff --git a/lib/PublicInbox/SearchView.pm b/lib/PublicInbox/SearchView.pm
index ccc53abf..5a95a055 100644
--- a/lib/PublicInbox/SearchView.pm
+++ b/lib/PublicInbox/SearchView.pm
@@ -145,15 +145,21 @@ sub search_nav_bot {
         my $o = $q->{o};
         my $end = $o + $nr;
         my $beg = $o + 1;
-        my $rv = "</pre><hr><pre>Results $beg-$end of $total";
+        my $rv = '</pre><hr><pre>';
+        if ($beg <= $end) {
+                $rv .= "Results $beg-$end of $total";
+                $rv .= ' (estimated)' if $end != $total;
+        } else {
+                $rv .= "No more results, only $total";
+        }
         my $n = $o + $LIM;
 
         if ($n < $total) {
                 my $qs = $q->qs_html(o => $n);
-                $rv .= qq{, <a\nhref="?$qs"\nrel=next>next</a>}
+                $rv .= qq{  <a\nhref="?$qs"\nrel=next>next</a>}
         }
         if ($o > 0) {
-                $rv .= $n < $total ? '/' : ',      ';
+                $rv .= $n < $total ? '/' : '       ';
                 my $p = $o - $LIM;
                 my $qs = $q->qs_html(o => ($p > 0 ? $p : 0));
                 $rv .= qq{<a\nhref="?$qs"\nrel=prev>prev</a>};