From 64489778cd7aaea217b0493731b71e935df2bf4f Mon Sep 17 00:00:00 2001
From: Dan Poltawski <dan@moodle.com>
Date: Tue, 7 Jul 2015 14:13:18 +0100
Subject: [PATCH] MDL-50295 output: prevent 'emoji' arrows

We need to append U+FE0E VARIATION SELECTOR-15 to the arrow to ensure
our l/rarrows are displayed as text icons, not 'emoji' icons.

See http://unicode.org/reports/tr51/#Diversity for more details of why
this changed in iOS 8.3+.
---
 lib/outputlib.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/outputlib.php b/lib/outputlib.php
index e9b9b7ec1dd3f..35e2f34a5220e 100644
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -567,8 +567,8 @@ private function check_theme_arrows() {
                 || false !== strpos($uagent, 'Mac')) {
                 // Looks good in Win XP/Mac/Opera 8/9, Mac/Firefox 2, Camino, Safari.
                 // Not broken in Mac/IE 5, Mac/Netscape 7 (?).
-                $this->rarrow = '&#x25B6;';
-                $this->larrow = '&#x25C0;';
+                $this->rarrow = '&#x25B6;&#xFE0E;';
+                $this->larrow = '&#x25C0;&#xFE0E;';
             }
             elseif ((false !== strpos($uagent, 'Konqueror'))
                 || (false !== strpos($uagent, 'Android')))  {