32,55d31
< <script>
< // http://docs.mathjax.org/en/latest/upgrading/v2.html
< MathJax = {
<   tex: {
<       tags: "{{ site.mathjax.tags | default: 'ams' }}"    // eq numbering options: none, ams, all
<   },
<   options: {
<     renderActions: {
<       // for mathjax 3, handle <script "math/tex"> blocks inserted by kramdown
<       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('');
<           node.parentNode.replaceChild(text, node);
<           math.start = {node: text, delim: '', n: 0};
<           math.end = {node: text, delim: '', n: 0};
<           doc.math.push(math);
<         }
<       }, '']
<     }
<   }
< }
< </script>