From 5aba3b824c898e0b9015899e8e94f0b216f3aef8 Mon Sep 17 00:00:00 2001
From: Matthias Geier <Matthias.Geier@gmail.com>
Date: Wed, 3 Jun 2020 12:25:59 +0200
Subject: [PATCH] MathJax: Support for \gdef (#4407)

Backport of https://github.com/jupyterlab/jupyterlab/pull/5997
---
 notebook/static/notebook/js/mathjaxutils.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/notebook/static/notebook/js/mathjaxutils.js b/notebook/static/notebook/js/mathjaxutils.js
index b6307b888..296f15e27 100644
--- a/notebook/static/notebook/js/mathjaxutils.js
+++ b/notebook/static/notebook/js/mathjaxutils.js
@@ -19,6 +19,9 @@ define([
                     processEscapes: true,
                     processEnvironments: true
                 },
+                TeX: {
+                    extensions: ['newcommand.js', 'begingroup.js']  // For \gdef
+                },
                 MathML: {
                     extensions: ['content-mathml.js']
                 },