Enhancements (relative to the ancient manual)

Domains:

While joinf(0;sb,m,sb) is as before,
joinf(n;sb,m,sb) yields a join object that will hold n characters when 0< n<= 4096.

Kernel:

Domain key orders:
   Domain_GetSparcControl = 201:
      (4, pc), (4, npc), (4, psr_icc | pse_ef | jumps permitted), 
      (2, 0), (2, trap code), (8, trap code extension), (12, fp queue)