Inform 7: An adventure game programming system based on natural language

I thought Hypercard was excessive in its pursuit of an English-like programming language, but this puts it to shame. Impressive and terrifying, and no doubt filled with gotchas for people willing to pretend that it is English -- e.g.:

http://www.inform-fiction.org/I7/doc25.html

(On the other hand, is this the opposite of a write-only programming language?)