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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

20 Sep, 2025: Iron Spring PL/I Preprocessor version 0.3.0 released
This version cleans up some cases where the parser did not correctly differentiate between preprocessor statements and input text, which might result in errors processing IF-Statements.
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