I think the syntax cards were pretty bogus anyways. If you really wanted to compare syntax, you'd do better to compare grammars (e.g., Scheme's: http://www.schemers.org/Documents/Standards/R5RS/HTML/r5rs-Z...) than to decide what's important enough to include in some gif. It's hand-wavy at best (cf. the explanations of why things like eql were on the card) and straw-man at worst.