@ -1,5 +1,5 @@
<!-- From https://note.qidong.name/2018/03/hugo-mathjax/ -->
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script src="https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js"></script>
<script>
MathJax = {
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