John Cartmell wrote > "What he didn't mention was the important thing: the Intellectual Property Rights. I've got lots of discs - but only a small proportion contain items to which I also have the IPR."
Let's see Castle bought something off Pace which allowed them to (a). Produce a machine (b). Update the OS (c). Upgrade the Acorn C/C++ tools (d) Allow them to (in conjunction with ROOL) release source to RO 5. That pretty much sounds like they have the IPR.