I was working late last night on Sidebars for the Add-on SDK, when I saw an email for Bug 774065: Replace bookmarklets with “user-script buttons”, and thought that’d be easy, plus I need a break from debugging. So an hour and a half later I had created Scriptlet for Firefox. Scriptlets A Scriptlet is a new add-on type that is the combination of a button and a bookmarklet, and it can re-use any exi