Bin directory:
  cdirs - added cpuo to option line
  fcall.s - update to rev 1.1
Nbcas:
  N/C
Nbcat:
  N/C
Nbcc:
  makefile - delete -N option
  nbcc.c - allow .o file with -o option
         - delete code that was writing an EOF to the user
           specified SGO file with -Z option
Nbccom:
  makefile - new one added without -N option
  makefile2 - new one added without -N option
  code.c - emit cequ/dequ
  common.h - add dummy call to putenv to eliminate timezone calls
  local.c - misc cleanup
  local2.c - misc cleanup, emit cequ/dequ
  macdefs.h - ieee emulation equates
  manifest.h - ieee emulation equates
  match.c - emit cequ/dequ
  mfile1.h - ieee emulation equates
  mfile2.h - ieee emulation equates
  order.c - emit cequ/dequ
  pftn.c - ieee emulation equates
  scan.c - housekeeping
  stab.c - housekeeping
  switch.c - emit cequ/dequ
  trees.c - ieee emulation equates
  xdefs.c - ieee emulation equates
Nbcpp:
  makefile - delete -N option
  nbcpp.c - remove old code
Nbinclude:
  art.h - spelling error
  unixio.h - add pipe equates
Nblex:
  all - added to adam
Nblib:
  makefile - new one added without -N option
  eexit.c - cleanup not call by _exit, missing */ on end of line
  exec.c - made exec no-wait, pipe std output of daughter task to
           our std output.  If our std output is to null, send to
           out parent.
  fcall.s - use version 1.1
  getenv.c - correct callto timezone
  mpxini.c - support for pipe in exec call
  unixio.c - support for pipe in exec call
  unixio.h - add pipe equates
Nbyacc:
  makefile - new one added without -N option
Sample:
  makefile - new one added without -N option
