From fbbf043ce4d44b4987601d178cd3e51db6d227c5 Mon Sep 17 00:00:00 2001
From: Frederic Massart <fred@moodle.com>
Date: Thu, 15 Nov 2012 21:38:42 +0800
Subject: [PATCH] MDL-36417 usability: Disable SVG support for Opera

---
 lib/outputlib.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/outputlib.php b/lib/outputlib.php
index e8357c96a20..da1761b216c 100644
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -1126,6 +1126,9 @@ class theme_config {
                 } else if (preg_match('#Android +[0-2]\.#', $_SERVER['HTTP_USER_AGENT'])) {
                     // Android < 3 doesn't support SVG. Say no.
                     $this->usesvg = false;
+                } else if (check_browser_version('Opera', 0)) {
+                    // Opera 12 still does not support SVG well enough. Say no.
+                    $this->usesvg = false;
                 } else {
                     // Presumed fine.
                     $this->usesvg = true;