MozRepl lets you program Firefox and other Mozilla-based applications from the inside. Curious? See how. Installation Install from addons.mozilla.org. (To use with XULRunner: Right-click → “Save Link As…” then save in your app’s extensions/ directory. See below for XULRunner-specific instructions.) Former users of MozLab, please note: the MozLab extension contains an older version of MozRepl. If y