Add temporary config for mathjax

templates/common-content.html

@@ -76,5 +76,31 @@
 {% block bodyend %}
     {% if REQUIRE_JAX %}
         {% include "mathjax-load.html" %}
+        <script>
+            // TODO: remove this
+            window.MathJax = {
+              options: {
+                ignoreHtmlClass: 'tex2jax_ignore',
+                processHtmlClass: 'tex2jax_process',
+                renderActions: {
+                  find: [10, function (doc) {
+                    for (const node of document.querySelectorAll('script[type^="math/tex"]')) {
+                      const display = !!node.type.match(/; *mode=display/);
+                      const math = new doc.options.MathItem(node.textContent, doc.inputJax[0], display);
+                      const text = document.createTextNode('');
+                      const sibling = node.previousElementSibling;
+                      node.parentNode.replaceChild(text, node);
+                      math.start = {node: text, delim: '', n: 0};
+                      math.end = {node: text, delim: '', n: 0};
+                      doc.math.push(math);
+                      if (sibling && sibling.matches('.MathJax_Preview')) {
+                        sibling.parentNode.removeChild(sibling);
+                      }
+                    }
+                  }, '']
+                }
+              }
+            };
+        </script>
     {% endif %}
 {% endblock %}