From 20ed32edb6552510fc141c2df159fcea3dfbea8d Mon Sep 17 00:00:00 2001
From: Matt Lewis <matthew.lewis@socialsignin.co.uk>
Date: Tue, 12 Jan 2016 18:01:02 +0000
Subject: [PATCH] fix: mark all optional attributes as such for ng 1.3.x
 compatibility

Closes #259
---
 src/directives/mwlCalendar.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/directives/mwlCalendar.js b/src/directives/mwlCalendar.js
index 73229b0c..f9588dbb 100644
--- a/src/directives/mwlCalendar.js
+++ b/src/directives/mwlCalendar.js
@@ -118,9 +118,9 @@ angular
         view: '=',
         viewTitle: '=?',
         viewDate: '=',
-        editEventHtml: '=',
-        deleteEventHtml: '=',
-        cellIsOpen: '=',
+        editEventHtml: '=?',
+        deleteEventHtml: '=?',
+        cellIsOpen: '=?',
         onEventClick: '&',
         onEventTimesChanged: '&',
         onEditEventClick: '&',