Some more config testing.

Author: glipR

_includes/js-selector.html

@@ -23,7 +23,7 @@
 
 {% if page.math %}
   <!-- MathJax -->
-  <script>
+  <script type="text/x-mathjax-config">
   // see: <https://docs.mathjax.org/en/latest/options/input/tex.html#tex-options>
   MathJax = {
     tex: {
@@ -34,7 +34,8 @@
       displayMath: [             // start/end delimiter pairs for display math
         ['$$', '$$'],
         ['\\[', '\\]']
-      ]
+      ],
+      processEscapes: true
     }
   };
   </script>