Certainly the "merged" UNIX 386/V rel. 3.2 will run both Xenix and UNIX
binaries.  SCO Xenix 2.3 will run both Xenix and UNIX binaries; it would
not surprise me if a UNIX vendor also announced x.out conpatibility before
the official 3.2 release.
-- 
Steve Dyer
dyer at harvard.harvard.edu
dyer at spdcc.COM aka {harvard,husc6,linus,ima,bbn,m2c,mipseast}!spdcc!dyer