I don't remember.   In fact, I'm not sure I ever knew... Steve ----- Original Message ----- From: "Cory Smelosky" To: Cc:"TUHS main list" Sent:Mon, 06 Mar 2017 15:32:41 -0800 Subject:Re: [TUHS] Source code abundance? Steve Johnson wrote: > I can attest to at least one case where AT&T attempted to see whether > its Unix code had been stolen. A Unix look-alike came to AT&T's > attention, and they wanted to get a sense of whether the code had been > copied before bringing out the big legal guns. I was one of several > people asked to log into the system and see what I could figure out. > They particularly wanted me to look at their Yacc, because they assumed > that would be hard to duplicate. > > So I spent an interesting hour checking it out. The first thing I did > was to look to see whether some of my bugs or unadvertised features were > in the program, and they weren't. Then I threw a couple of difficult > cases at it, and found a couple of bugs in their code. And besides, it > was VERY slow. So I concluded it was a reimplementation. I gather > that was the consensus of others as well, and AT&T backed off. > > Steve > > Coherent? -------------- next part -------------- An HTML attachment was scrubbed... URL: