An example of a simple Domain-Specific Language for editing tangled trees.
Modified http://d3js.org/d3.v3.min.js to a secure url
Modified http://underscorejs.org/underscore-min.js to a secure url
Modified http://backbonejs.org/backbone-min.js to a secure url
Modified http://marvl.infotech.monash.edu/webcola/cola.v3.min.js to a secure url
Modified http://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.0/lodash.min.js to a secure url
https://d3js.org/d3.v3.min.js
https://underscorejs.org/underscore-min.js
https://backbonejs.org/backbone-min.js
https://marvl.infotech.monash.edu/webcola/cola.v3.min.js
https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.0/lodash.min.js
https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.6.0/codemirror.min.js
https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.6.0/keymap/sublime.js