Iron Spring Software produces the Iron Spring PL/I compiler, the leading cross-platform PL/I compiler supporting both Linux and OS/2.

Recent News

15 May, 2022: Iron Spring PL/I compiler 0.9.10e released
This version adds builtins CENTERLEFT, CENTERRIGHT, LEFT, and RIGHT from IBM Enterprise PL/I. It also adds the builtins ACOS and ATANH to complete the set of mathematical builtins.

The REPLY option of the DISPLAY statement is now supported.
OCTAL bit constants as '377'b3 for 'FF'bx (or 'FF'b4) are now permitted. Procedures OSGetProcInfo, mktime, and gmtime have been added to the library.

Several fixes for outstanding bugs are included.

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