browser.xul
item: chrome://leo_search/content/leo_searchOverlay.xul

navigator.xul
item: chrome://leo_search/content/leo_searchOverlay.xul

leo search
display name: Leo Search
author: Johannes Findeisen
author URL: http://hanez.org/
name: leo_search
extension: true
description: Searches for marked words in the Database at Leo.org and opens the result in a new tab.