RATional Fortran definition language
(RATFOR) Brian Kernighan's Fortran preprocessor
that allows programming with C
-like control flow
. RATFOR is mainly of historical significance.
A translator from Ratfor to Fortran IV was posted to comp.sources.Unix volume 13.
["Ratfor - A Preprocessor for a Rational Fortran", B.W. Kernighan, Soft Prac & Exp 5:395-406, Oct 1975].
["Software Tools", B.W. Kernighan & P.J. Plauger, A-W, 1976].