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COCOS - Conditional Compilation in SIMULA
COCOS is a program to allow one SIMULA source program to
compile into several differing programs. A preprocessor selects
statements from the initial source program according to
selection statements. The initial source program can also be
compiled directly as one of the versions.
%COCOS GERMAN = FALSE; outtext("I am.");
%IF GERMAN; outimage;
outtext("Ich bin."); END;