Justification: Requiring a dll for a library is foreign to Rexx programmerscoming from a mainframe background. At the same time, it would be inefficient to mimic VM's automatic handling of the 'RX' prefix and EXECLOAD.
ooRexx would be more useful, and attract more users, if we made it
easier for new users from other environments to become productive
See also my RFE for a GLOBAL keyword be added to REQUIRED