I don't have a Mac, but someone pointed out to me that under "System
Preferences > Language & Region", you can set your UI to {tlhIngan
Hol}:
http://fairerplatform.com/2014/02/mac-klingon-qapla/
http://imgur.com/irbJrhn
What actually happens if you do this? Anyone with a Mac who can try it out?
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De'vID