From 0b76d9af89713b2c3a7f3df63509f0b892e4a754 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Mart=C3=ADn=20Loyola?= <jmloyola@outlook.com>
Date: Tue, 28 Jun 2022 14:58:11 -0300
Subject: [PATCH] Load MathJax only on pages with usemathjax flag

In order to load MathJax in a page, the page header (section with the
post information, ie. title, authors, etc) should contain the flag
`usemathjax: true`.
---
 _includes/head/custom.html | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/_includes/head/custom.html b/_includes/head/custom.html
index c2c3332..c95f6c7 100644
--- a/_includes/head/custom.html
+++ b/_includes/head/custom.html
@@ -7,6 +7,8 @@
 <meta name="msapplication-TileColor" content="#da532c">
 <meta name="msapplication-config" content="/assets/images/browserconfig.xml">
 <meta name="theme-color" content="#ffffff">
-<script type="text/javascript" id="MathJax-script" async
-  src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js">
-</script>
\ No newline at end of file
+
+<!-- Load MathJax only in the pages with `usemathjax: true` -->
+{% if page.usemathjax %}
+  <script type="text/javascript" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
+{% endif %}
\ No newline at end of file