From 4d1ee5092ae59b2e40d5d7d22e78a5abce3e3159 Mon Sep 17 00:00:00 2001
From: Bobby <bobbyskhs@gmail.com>
Date: Fri, 10 Mar 2023 02:22:21 -0500
Subject: Update mathjax config to support IE6

---
 templates/blog/partials/mathjax.html | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/templates/blog/partials/mathjax.html b/templates/blog/partials/mathjax.html
index 59bf879b..3697590d 100644
--- a/templates/blog/partials/mathjax.html
+++ b/templates/blog/partials/mathjax.html
@@ -1,8 +1,30 @@
 {% load static %}
-<script type="text/javascript" src="{% static 'js/MathJax/MathJax.js' %}?config=TeX-AMS-MML_HTMLorMML"></script>
+<script
+  type="text/javascript"
+  src="{% static 'js/MathJax/MathJax.js' %}?config=default"
+></script>
 <script type="text/x-mathjax-config">
+  var BROWSER = MathJax.Hub.Browser;
+
+  var canUseMML = (BROWSER.isFirefox && BROWSER.versionAtLeast("1.5")) ||
+                  (BROWSER.isMSIE    && BROWSER.hasMathPlayer) ||
+                  (BROWSER.isSafari  && BROWSER.versionAtLeast("5.0")) ||
+                  (BROWSER.isOpera   && BROWSER.versionAtLeast("9.52") &&
+                                       !BROWSER.versionAtLeast("14.0"));
+
+  var CONFIG = MathJax.Hub.CombineConfig("default",{
+    prefer: {
+      MSIE:"HTML", Firefox:"HTML", Opera:"HTML", Chrome:"CommonHTML", Safari:"HTML",
+      other:"HTML"
+    }
+  });
+
+  var jax = CONFIG.prefer[BROWSER] || CONFIG.prefer.other;
+  if (jax === "HTML") jax = "HTML-CSS"; else if (jax === "MML")  jax = "NativeMML";
+  if (jax === "NativeMML" && !canUseMML) jax = CONFIG.prefer.other;
+
   MathJax.Hub.Config({
-    jax: ["input/TeX","output/HTML-CSS", "output/NativeMML", "output/PreviewHTML"],
+    jax: ["input/TeX","output/"+jax],
     extensions: ["tex2jax.js"],
     TeX: {
       extensions: ["AMSmath.js","AMSsymbols.js","noErrors.js","noUndefined.js"]
@@ -15,8 +37,6 @@
     },
     "fast-preview": { disabled: true },
     showProcessingMessages: false,
-    showMathMenu: false,
-    showMathMenuMSIE: false,
     "HTML-CSS": { imageFont: null }
   });
-</script>
\ No newline at end of file
+</script>
-- 
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