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I was looking for something on TCP/IP and this was the best I could find online:

a) with diagrams b) that weren't ascii

b) that weren't ascii

On the other hand PDF's don't let you extract structured information without effectively reverse OCR'ing it.

For example Alan Kay's Steps Toward the Reinvention of Programming project generates it's TCP/IP stack from the ascii art in RFC 791:

http://www.moserware.com/2008/04/towards-moores-law-software...

Header diagrams work just fine in ascii sequence diagrams, not so much.

They could release the original file formats in addition to the pdf. This is like a picture of a thing; it seems like you could get at it but you can't.

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