Merge branch 'enablingsearch' into 'master'

Make mathjax default render switch to CommonHTML - enabling x-scroll on overflow on mobile

See merge request !36

docs/scripts/mathjaxhelper.js

 MathJax.Hub.Config({
-  jax: ["input/TeX", "output/SVG"],
+  jax: ["input/TeX", "output/CommonHTML" , "output/SVG"],
   tex2jax: {
     inlineMath: [ ['$','$'] ],
     processEscapes: true

docs/styles/mathjax_overflowfix.css

+.mjx-chtml {
+  overflow-x: auto; /* Horizontally scroll long equations. */
+  overflow-y: hidden;
+}

mkdocs.yml

@@ -53,9 +53,10 @@ markdown_extensions:
 
 extra_css:
   - 'https://use.fontawesome.com/releases/v5.8.1/css/all.css'
+  - 'styles/mathjax_overflowfix.css'
 
 extra_javascript:
-  - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-AMS_SVG'
+  - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-AMS_CHTML'
   - 'scripts/mathjaxhelper.js'
 
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