Montellese/xbmc — comment on commit 8cf08e852356aaf627859d60aa51d07ef1e282eb
File: xbmc/playlists/SmartPlayList.cpp line 685
By jmarshallnz:

set can be used for other matching though? (i.e. can I create a smartplaylist to grab everything in the StarWars set, minus anything after 1990?) ;)