MathJax: Support for \gdef (#4407)

mgeier · web-flow · commit 5aba3b824c89 · 2020-06-03T05:25:59.000-05:00
Backport of jupyterlab/jupyterlab#5997
diff --git 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']
                 },
