On Sun, 2025-02-16 at 09:32 -0500, Paul Koning via cctalk wrote:
A lot of early "ALGOL" compilers did major
subsetting because it was
considered to hard to do the real language.
IBM invented PL/1. IBM (or at least IBM Canada) wrote their excellent
Fortran compilers in a subset of PL/1 called PLIX, that is PL.9. I
guess a full language was too hard even for the inventors of the
language. At committee meetings I would pester the IBM delegate "When
are you going to make your compiler available for Linux on Intel?" His
answer was always NEVER!