<snip>
It would seem to me that if IBM is to move in the direction of new symbols
it should move the emphasis to "feature Booleans" rather than a new level
variable.
</snip>

I agree with that -- the question usually worth asking is "is this feature 
available to me now" (a la the z/OS feature bits in the CVT -- although 
those also have bits for each release). But the odds are extremely slim 
that REXX will be enhanced for RACF purposes. 

Since all such feature indications are easily visible in the RCVT, and the 
relevant bit(s) are the intended way for a program to tell, a REXX exec 
could/should examine those bits rather than a release value.  Maybe 
someone will create a CBT item to accomplish the query in a "pretty" way.

Peter Relson
z/OS Core Technology Design


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