 Consequently, David Beech (IBM), Robert Freiburghouse (Honeywell), Milton Barber (CDC), M. Donald MacLaren (Argonne National Laboratory), Craig Franklin (Data General), Lois Frampton (Digital Equipment), and editor, D.J.Andrews of IBM undertook to rewrite the entire document, each producing one or more complete chapters.The standard is couched as a formal definition using a "PL/I Machine" to specify the semantics.