a2800276 writes: "The NSA has released some documents about Tempest in response to a FOIA request. They can be found over at Cryptome. Some are really old (dating between '75 and '95) and heavily redacted but interesting nontheless."
Top Ten Things Overheard At The ANSI C Draft Committee Meetings:
(7) Well, it's an excellent idea, but it would make the compilers too
hard to write.