Original mozilla repo:

http://lxr.mozilla.org/seamonkey/source/extensions/universalchardet/

¿new mozilla repo?
http://hg.mozilla.org/mozilla-central/file/tip/extensions/universalchardet/


Multiple charsets removed 
cause: Remove encoding detectors that are no longer offered in the UI. r=emk.
http://hg.mozilla.org/mozilla-central/rev/2f0c68d4d7ca