- Breaking change: In interests of modularity/removing globals, remove window.svgCanvas

and `svgCanvas.ready` as used by older extensions; use `svgEditor.canvas` and
    `svgEditor.ready` instead
- npm: Add `prepare` script to ensure building/testing before publish

dist/extensions/ext-mathjax.js

@@ -18,28 +18,28 @@
     // Configuration of the MathJax extention.
 
     // This will be added to the head tag before MathJax is loaded.
-    /* mathjaxConfiguration = '<script type="text/x-mathjax-config">\
-    MathJax.Hub.Config({\
-      extensions: ["tex2jax.js"],\
-      jax: ["input/TeX","output/SVG"],\
-      showProcessingMessages: true,\
-      showMathMenu: false,\
-      showMathMenuMSIE: false,\
-      errorSettings: {\
-        message: ["[Math Processing Error]"],\
-        style: {color: "#CC0000", "font-style":"italic"}\
-      },\
-      elements: [],\
-        tex2jax: {\
-        ignoreClass: "tex2jax_ignore2", processClass: "tex2jax_process2",\
-      },\
-      TeX: {\
-        extensions: ["AMSmath.js","AMSsymbols.js","noErrors.js","noUndefined.js"]\
-      },\
-      "SVG": {\
-      }\
-    });\
-    </script>', */
+    /* mathjaxConfiguration = `<script type="text/x-mathjax-config">
+    MathJax.Hub.Config({
+    extensions: ['tex2jax.js'],
+    jax: ['input/TeX', 'output/SVG'],
+    showProcessingMessages: true,
+    showMathMenu: false,
+    showMathMenuMSIE: false,
+    errorSettings: {
+      message: ['[Math Processing Error]'],
+      style: {color: '#CC0000', 'font-style': 'italic'}
+    },
+    elements: [],
+      tex2jax: {
+      ignoreClass: 'tex2jax_ignore2', processClass: 'tex2jax_process2',
+    },
+    TeX: {
+      extensions: ['AMSmath.js', 'AMSsymbols.js', 'noErrors.js', 'noUndefined.js']
+    },
+    SVG: {
+    }
+    });
+    </script>`, */
     // mathjaxSrc = 'http://cdn.mathjax.org/mathjax/latest/MathJax.js',
     // Had been on https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_SVG.js
     // Obtained Text-AMS-MML_SVG.js from https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.3/config/TeX-AMS-MML_SVG.js