language (REXX, or "System Product Interpreter", originally
systems, developed by M. Cowlishaw at
IBM ca. 1979,
OS/2 implementation from IBM, WINREXX (Rexx for Windows,
from Quercus systems).
["The REXX Language: A Practical Approach to Programming",
M.F. Cowlishaw, 1985].
(1992-05-13)