(*) Curiosity 1. I wonder what BS stands for in this definition.
; A BS is one of: ; — "hello", ; — "world", or ; — pi. Is it just a synonym for nonsense? 2. I figure "MT" means "empty" because of how it sounds. Is that it? ; an empty scene: (define MT (empty-scene 100 100)) 3. I figure "posn" comes from the word "position". Is that it? Thank you.
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