[racket-dev] scribble/doclang example?

> I suggest that you pick a new name for the language that you'd like to
> have, and fix the docs to talk about that one. Then, we can leave
> `scribble/doclang' alone, documenting it as only for backward
> compatibility.

Ok, done.  I've pushed up a scribble/doclang2 and documentation that
describes how to use both scribble/doclang2 and scribble/doclang.

Hurrah for syntax/parse; it made the keyword processing less painful
than I expected.