CodeMirror is a code editor for your Joomla! site which helps you have a pleasant experience for writing your articles using HTML.

It can highlight the code of a lot of languages (HTML being the primary interest for Joomla!) show you mismatched tags and also helps you have a clear indentation for your code.

This editor will also ship in Joomla! 1.6 core package.

CodeMirror JavaScript editor is originally written by Marijn Haverbeke and kindly released as a free software.