On 2013-08-02, at 11:47, John Ehrman wrote: > > The COMPAT(CASE) option was provided with HLASM V1R1 (its initial release) > in case people who had written programs using HLASM had to ship the source > code to sites still using Assembler H, which accepted only upper case > characters. > But beware the backward semantic of COMPAT(MACROCASE). While for most operands COMPAT(x) provides behavior compatible with Assembler H and COMPAT(NOx) provides extended, possibly incompatible behavior, COMPAT(NOMACROCASE) selects behavior compatible with Assembler H for the same source input; COMPAT(MACROCASE) selects a different, probably incompatible behavior.
RCF submitted. -- gil
