From 174cda1495a5302037029c6ca79bf1d86b4936fe Mon Sep 17 00:00:00 2001
From: "Evan W. Patton" <ewpatton@mit.edu>
Date: Thu, 31 Jan 2019 16:59:53 +0100
Subject: [PATCH] Render block after mutation change

---
 core/events.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/events.js b/core/events.js
index b117b4eda..4fa5a8f2b 100644
--- a/core/events.js
+++ b/core/events.js
@@ -597,6 +597,8 @@ Blockly.Events.Change.prototype.run = function(forward) {
         value = value || '<mutation></mutation>';
         var dom = Blockly.Xml.textToDom('<xml>' + value + '</xml>');
         block.domToMutation(dom.firstChild);
+        block.initSvg();
+        block.render();
       }
       Blockly.Events.fire(new Blockly.Events.Change(
           block, 'mutation', null, oldMutation, value));