chore: bump mathjax to v3.2.2

web/app/views/page-header.php

@@ -140,19 +140,25 @@
 
 		<?php if (isset($REQUIRE_LIB['mathjax'])): ?>
 		<!-- MathJax -->
-		<script type="text/x-mathjax-config">
-			MathJax.Hub.Config({
-				showProcessingMessages: false,
-				tex2jax: {
-					inlineMath: [["$", "$"], ["\\\\(", "\\\\)"]],
-					processEscapes:true
+		<script>
+			MathJax = {
+				tex: {
+					inlineMath: [
+						['$', '$'],
+						['\\(', '\\)']
+					],
+					processEscapes: true
 				},
-				menuSettings: {
-					zoom: "Hover"
-    			}
-			});
+				options: {
+					menuOptions: {
+						settings: {
+							zoom: 'Hover'
+						}
+					}
+				}
+			};
 		</script>
-		<script src="//cdn.bootcss.com/mathjax/2.6.0/MathJax.js?config=TeX-AMS_HTML"></script>
+		<?= HTML::js_src('/js/MathJax-3.2.2/es5/tex-mml-chtml.js') ?>
 		<?php endif ?>
 
 		<?php if (isset($REQUIRE_LIB['jquery.form'])): ?>

web/js/MathJax-3.2.2/.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: [numfocus] 
+custom: ['https://numfocus.org/donate-to-mathjax']

web/js/MathJax-3.2.2/.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,54 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Replace the text below with the details of the issue you are facing.  
+DO NOT simply erase the form and type a free-form response.**
+-----
+
+### Issue Summary
+
+A summary of the issue and the browser/OS environment in which it occurs. If
+suitable, include the steps required to reproduce the bug.
+
+### Steps to Reproduce:
+
+1. This is the first step
+2. This is the second step
+3. Further steps, etc.
+
+Any other information you want to share that is relevant to the issue
+being reported. Especially, why do you consider this to be a bug? What
+do you expect to happen instead?
+
+### Technical details:
+
+* MathJax Version: 3.2
+* Client OS: (e.g., Mac OS X 10.8.4)
+* Browser: (e.g., Chrome 29.0.1547.57)
+
+I am using the following MathJax configuration:
+
+``` js
+MathJax = {
+...
+};
+```
+
+and loading MathJax via
+
+``` html
+<script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
+```
+
+### Supporting information:
+
+ * Please supply a link to a (live) minimal example page, when possible.
+ * If your issue is with the display of the mathematics produced by MathJax, include a screen snapshot that illustrates the problem, when possible.
+ * Check your browser console window for any error messages, and include them here.
+ * Include the MathJax configuration you are using, and the script tag that loads MathJax itself.

web/js/MathJax-3.2.2/.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

web/js/MathJax-3.2.2/.gitignore

@@ -0,0 +1,2 @@
+.DS_Store
+

web/js/MathJax-3.2.2/.travis.yml

@@ -0,0 +1,17 @@
+dist: focal
+language: node_js
+node_js:
+  - stable
+sudo: false
+script:
+  - npm test
+branches:
+  only:
+  - "/^\\d+\\.\\d+/"
+deploy:
+  provider: npm
+  email: [email protected]
+  api_key:
+    secure: rdvJ27qbw4DZJl49NSf/ybkeHWNWnk2MajS8Y8bMKwI8RaDyEGcAm3frA+CfBw+YHWl71KRJlQHL69YgVwp1nMSzKrGOpwrbL3TMFrFMdBC6tJ30dX1HSvAg9eU5K12E5672MM8qkTwJdYXsvEcyYlzRR+sogR8jTWRl3APuAwY=
+  on:
+    tags: true