I've heard (but can't verify) that the Pragmatic Programmers have their own tool chain, and that it's quite good. It will, for example, check that code snippets

I've heard (but can't verify) that the Pragmatic Programmers have their own tool chain, and that it's quite good. It will, for example, check that code snippets are syntactically correct. I have a few of their books, and they're pretty good. Their store is also very straightforward and friendly. Does anybody have experience writing for them?