Mozilla is comprised of a number of many interfaces that are used for programming it and the core as well as for writing add-ons for it. And A majority of them these are currently undocumented. Therefore i would be sitting down This project will seek to document as many interfaces, and reading files that contain information about certain interfaces (IDL - Interface Definition Files) and transcribing that information into "Interface Reference Documents Format"of value to the upcoming Firefox 3 release, as possible.

(SeeReference: http://developer.mozilla.org/en/docs/MDC:Writing_interface_reference_documentation)