[racket-dev] multiple key-press

Thanks for all the ideas. Just to clarify: this spring I modified the API of Universe to accommodate this form of 'multiple' keypresses. I have to work out examples and probably add one more handler to get this 'right' (for beginners). (The person who posted isn't really a beginner in the sense of novice but a kid who mastered a good amount of Java and was set loose on the beginning languages. Perhaps he should have been thrown at full Racket from the beginning.)