WYSIWYM Editor with Markdown and Prototype.js

This editor uses the Control.Textarea editor by Ryan Johnson to make it simple to edit lightly-formatted plain text in the browser. The system is back-end-agnostic, as long as you can process a form and save Unicode text, you’re all set.

I’ve made the following additions to the Control.Textare Markdown function’s initialize method, which you may use to disable any of the related interface buttons: