"CodeMirror is a versatile text editor implemented in JavaScript for the browser"

CodeMirror website: http://codemirror.net/

Instructions (to do):
Add instructions

Credit:
The attached file was made by modifying the python.js file that comes with CodeMirror.
python.js comes with the following license and copyright information:
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE