--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/templates/report/backtrace/warning.html.ep	Wed Nov 04 17:43:00 2015 +0100
@@ -0,0 +1,3 @@
+%= tag a => (href => "#", class => "text-danger", "data-toggle" => "tooltip", "data-original-title" => $tooltip_text) => begin
+  %= tag span => (class => "glyphicon glyphicon-warning-sign") => ""
+% end