Here's a useful tip to keyboard enthusiasts who use Mozilla. If you've used Windows versions of Mozilla (and most other browsers for that matter), you know that you can tab through all of the input elements on a web page - links, forms, checkboxes, radio buttons, etc. With the Mac version of Mozilla, though, you can only tab through text entry fields on a form - drop down lists, buttons, links, etc are all inaccessible via the keyboard. Even if you set "Any control" in the Keyboard Preferences pane, you still can't access these other fields. Fortunately, there is an answer - if you add the following to your user.js file:
// Enable tabbing to all fields in a form,
// as well as links.
user_pref("accessibility.tabfocus", 7) ;
Restart Mozilla, and you will now be able to access all links and form controls by just tabbing through the selections. The
user.js file can be found in ~/Library -> Mozilla -> Profiles -> LOGIN -> RANDOM.slt, where LOGIN is your profile name, and RANDOM is a random string of 8 characters assigned by Mozilla.
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Editor's note: You may not have a user.js file if you haven't added any of your own customizations yet; just create it if it doesn't exist. This hint worked perfectly on Mozilla 1.2b when I tested it.]