From 2ec8cde1486d3583e077986b87f6ab01a19d4615 Mon Sep 17 00:00:00 2001
From: scissorsneedfoodtoo <scissorsneedfoodtoo@gmail.com>
Date: Tue, 26 Jun 2018 23:26:28 +0900
Subject: [PATCH] Renabled MathJax and testing default 3324 delimeters to see
 if other challenge descriptions break.

---
 packages/learn/src/head/index.js                    |  4 ++--
 .../templates/Challenges/components/Side-Panel.js   | 13 ++++++++-----
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/packages/learn/src/head/index.js b/packages/learn/src/head/index.js
index 2f8d71872e..51da3baab3 100644
--- a/packages/learn/src/head/index.js
+++ b/packages/learn/src/head/index.js
@@ -1,10 +1,10 @@
 import favicons from './favicons';
 import meta from './meta';
 import styleSheets from './styleSheets';
-// import mathjax from './mathjax';
+import mathjax from './mathjax';
 
 const metaAndStyleSheets = meta
-  .concat(favicons, styleSheets)
+  .concat(favicons, styleSheets, mathjax)
   .map((element, i) => ({ ...element, key: `meta-stylesheet-${i}` }));
 
 export default metaAndStyleSheets;
diff --git a/packages/learn/src/templates/Challenges/components/Side-Panel.js b/packages/learn/src/templates/Challenges/components/Side-Panel.js
index 7a040fac2b..a108a5b987 100644
--- a/packages/learn/src/templates/Challenges/components/Side-Panel.js
+++ b/packages/learn/src/templates/Challenges/components/Side-Panel.js
@@ -26,7 +26,7 @@ const mapDispatchToProps = dispatch =>
     dispatch
   );
 
-// const MathJax = global.MathJax;
+const MathJax = global.MathJax;
 
 const propTypes = {
   description: PropTypes.arrayOf(PropTypes.string),
@@ -43,17 +43,20 @@ export class SidePanel extends PureComponent {
     // MathJax.Hub.Config({
     //   tex2jax: { inlineMath: [['$', '$'], ['\\(', '\\)']] }
     // });
+    MathJax.Hub.Config({
+      tex2jax: { inlineMath: [['$$', '$$']] }
+    });
   }
 
   componentDidMount() {
-    // MathJax.Hub.Queue(['Typeset', MathJax.Hub,
-    // document.querySelector('.challenge-instructions')]);
+    MathJax.Hub.Queue(['Typeset', MathJax.Hub,
+    document.querySelector('.challenge-instructions')]);
     this.props.initConsole('');
   }
 
   componentDidUpdate(prevProps) {
-    // MathJax.Hub.Queue(['Typeset', MathJax.Hub,
-    // document.querySelector('.challenge-instructions')]);
+    MathJax.Hub.Queue(['Typeset', MathJax.Hub,
+    document.querySelector('.challenge-instructions')]);
     const { title, initConsole } = this.props;
     if (title !== prevProps.title) {
       initConsole('');