Find in Page is the search panel's magnifier icon is turned into button "Find in page", which returns the user to the page he was on, highlighting all the instances of the keyword (taken from the address bar). You can enter several keywords at once, separated by |.
What's New in This Release:
· Seemingly compatible with both Fennec 4 and Aurora 7
What's New in 0.12:
· Now compatible with Fennec 4.* (Electrolysis). Both the chrome and content pages should be searchable