Comment #1 on issue 726 by tudor.gi...(a)gmail.com:
FM3PropertyDescription>>getRawFrom: should return false in Boolean
properties instead of nil
http://code.google.com/p/moose-technology/issues/detail?id=726
getRawFrom: is basic and must remain like this because it is used in many
contexts. The metanool-related problem should probably be solved in
metanool when installing the property.