*#Software Requirements: Python --> Get it from Python's [http://python.org/download/ download page]*#Download the 0.1 release [https://bugzilla.mozilla.org/attachment.cgi?id=284789 here] (contains Python scripts and supporting DTD & Properties files).*#System's [http://matrix.senecac.on.ca/~azambran/mozilla/instructions0.1.txt instructions]. Basically, once you have Python installed, double click on the l10nMerge.py script and check the corresponding DTD and Properties files for the changes to the "color" string (which should now be called "colour")