[CDG5] Musings on v2 NanoKernel

[Elliot Nunn]

When we get back to reversing the "alternate" Virtual Memory API exposed
by the v2 NanoKernel, this might be informative:

https://patents.google.com/patent/US5590334

The entire External Reference Specification for NuKernel (c 1993) is
included as an appendix. It seems that the later additions to the
kernel, which were under-utilised by Mac OS 9, were an increasingly
faithful replication of NuKernel mechanisms.