

All of the source code is available for download if you wish to run your own AtD server. Moreover, the Firefox extension in no way offers auto suggestion, much less actual auto-correction. After the Deadline is no longer actively maintained and the hosted service has been shut down. It fails to take a stand on some of the most basic Trans-Atlantic spelling differences. The Firefox extension by Mark Tyndall (version 1.19.1) is not so good.
FIREFOX SPELL CHECKER PLUGIN MAC OS X
Global British spelling in Mac OS X is really solid and complete.

Scroll down to the dictionary called English (British).This will then take you to a page of Firefox add-ons called " Dictionaries & Language Packs".If you have a British dictionary installed chose it: you're done! If not, proceed to the next step. Slide over to look at your installed dictionaries. Right click anywhere in the editing pane and pull down to Languages.Go to any page here at that you have permission to edit.This Firefox fix is not nearly as good as Safari's British spell checking abilities. However, we strongly recommend that if you have a Mac, you should only edit in Safari. If you have a version lower than 14.0.1, you can still follow this installation guide, but you will want to instal version 1.19(.0) of the Mark Tyndall add-on, instead, which can be found here.

However, since the add-on is platform neutral, this tutorial applies to Windows and Linux users, too. The following instructions were verified as working in Firefox 14.0.1 for Mac.
FIREFOX SPELL CHECKER PLUGIN HOW TO
This tutorial explains how to instal Mark Tyndall's British English Dictionary add on, version 1.19.1 into Firefox 14.0.1.
