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

1 Feb, 2023: Iron Spring PL/I compiler 1.0.0 released
The major new feature in this release is support for self-defining structures (REFER attribute).

The array builtins SUM, PROD, and POLY have been added.

Minor enhancements include edit-directed format codes bx (alias b4) and b3 for bit-string data. OPTIONS(IBM) can now be specified at the structure level to apply to all FIXED DECIMAL elements in that structure. The %CONTROL preprocessor listing statement from the IBM Checkout compiler is recognized and ignored.

This release also contains several bug fixes, see the readme file for your system for details.

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