(Excerpts from a message dated 09-04-99, Mike Ruskai to Steve Mccrystal)

Hi Mike--

MR>Are the REXXUTIL functions loaded?  There's nothing in the above that
  >won't work on SAA REXX, unless something is askew.

    You are somewhat mistaken, although the question is a fair one. OS/2
"CREXX" is a superset of SAA REXX.  Nothing that requires any REXXUTIL
function will run under "true" SAA REXX.  One of the nicest things about
REXX is how easy it can be extended.  I regularly write "extended
functions" for REXX in C, to do things not included in OS/2 REXX's
vocabulary.  The entire REXXUTIL library is a set of such "extended
functions."  In addition to not including the REXXUTIL functions, there
are a number of SAA REXX constructs that are "implementation dependent."

    See Mike Cowlishaw's book: "The REXX Language" to get a definition
of SAA 4 REXX.  See Charles Daney's book: "Programming in REXX" to get
an idea of some of the other implementation dependent aspects of the SAA
portions of OS/2 REXX.

        --Murray

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