From bf771b55cd6447deacd5a725c45f04f5b6f5646d Mon Sep 17 00:00:00 2001
From: Irina Peshinskaya <ipeshinskaya@sipwise.com>
Date: Fri, 22 Mar 2019 11:04:48 +0100
Subject: [PATCH] TT#55503 Fix DTSTART only timeset representation

Change-Id: I15fbf962e1851bc0e962f1fc84c39bb5c8126fce
---
 share/templates/timeset/event_list.tt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/share/templates/timeset/event_list.tt b/share/templates/timeset/event_list.tt
index 06c39e7728..44d7a7b8b6 100644
--- a/share/templates/timeset/event_list.tt
+++ b/share/templates/timeset/event_list.tt
@@ -15,7 +15,8 @@ function toText(data, type, full) {
   var dtstart, dtend, freq;
   var dtstart_obj;
   var dtend_obj;
-  if (data) {
+  var rrule_re = RegExp('[^a-z]RRULE:','i');
+  if (data && rrule_re.test(data)) {
     var r = RRule.rrulestr(data);
     if (r.isFullyConvertibleToText()) {
       rrule_text = r.toText();