Hi Andrey - thanks for your reply!

On 25/07/12 14:47, andrey mirtchovski wrote:
I'm not a lawyer but I play one in comedy clubs. The first
implementation of 9p came about long before Plan 9 had a free (as in
rms) license. Nobody got sued, nobody died, although a few bystanders
were maimed.
Interesting. It's good to find out a bit of the history behind 9p.

My advice as your lawyer [in comedy] would be to go nuts and do
whatever you want. The documentation[1] is a good place to start if
you don't want to look at any source (no license required to see
that!), and if you want to cover all corner cases, a running Plan 9
kernel is a good client/server to test against.

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1: http://plan9.bell-labs.com/sys/man/5/INDEX.html
Thanks for that!  I'll check that page out too.
Btw - I clicked on the "copyright" link at the bottom, but the link is dead - nothing but a 404 page error.

In looking at Tim Newsham's P9.py, he has a comment in the code - "9P protocol implementation as documented in plan9 intro(5) and <fcall.h>." ( I would likely be even more cautious and avoid looking at any header files if possible. )
Thanks again, Andrey - you've been very helpful!
- Andy

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