first commit

layout/includes/third-party/mathjax.pug

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+script(type="text/x-mathjax-config").
+  MathJax.Hub.Config({
+    tex2jax: {
+      inlineMath: [ ['$','$'], ["\\(","\\)"]  ],
+      processEscapes: true,
+      skipTags: ['script', 'noscript', 'style', 'textarea', 'pre', 'code']
+    },
+    CommonHTML: {
+      linebreaks: { automatic: true, width: "90% container" }
+    },
+    "HTML-CSS": { 
+      linebreaks: { automatic: true, width: "90% container" }
+    },
+    "SVG": { 
+      linebreaks: { automatic: true, width: "90% container" }
+    }
+  });
+
+script(type="text/x-mathjax-config").
+  MathJax.Hub.Queue(function() {
+    var all = MathJax.Hub.getAllJax(), i;
+    for (i=0; i < all.length; i += 1) {
+      all[i].SourceElement().parentNode.className += ' has-jax';
+    }
+  });
+
+script(src=theme.mathjax.cdn)