This is the fireedit add-on. It contains:

• the program (lib/main.js).
• the file utility (lib/fireedit/fileUtils.js)
• the ace ff integration piece (data/ff-integration.js)
• several bolt on pieces for ace (data/*)

Use cfx run to run it locally (ff 7.x and above)

to try the plugin download it from https://github.com/downloads/sans-sense/fireedit/fireedit.xpi No restart needed for FF 7.x and above

To open the editor use "ctrl+shift+f" or use "FireEdit" from page context menu