{% if site.latex == "none" or site.latex == "off" %}
  <!-- LaTeX Rendering OFF in MarkDown -->
{% elsif site.latex == "mathjax" %}
  <!-- Use MathJax to Render LaTeX in MarkDown -->
  <script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
  <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
{% elsif site.latex == "katex" %}
  <!-- Use KaTeX to Render LaTeX in MarkDown -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/