Phil Windley writes about creating a domain-specific language...
I'm a big believer in notation. Using the right notation to describe and think about a problem is a powerful tool--one that we're too eager to give up it seems. People seem to believe that (a) all languages are pretty much the same and (b) the world has enough notations. While (a) is true in theory (they're all Turing complete, after all) the power of a notation isn't in what it can accomplish, but the ways in which it allows you to think. I'll deal with (b) in what follows.
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