JaMJohn and Martin. An interpreted FORTH-like graphics language by John Warnock and Martin Newell, Xerox PARC, 1978. JaM was the forerunner of both Interpress and PostScript. It is mentioned in PostScript Language reference Manual, Adobe Systems, A-W 1985.
JAffer's Canonical ALgebra ♦ jaggies ♦ JaM ♦ jam ♦ James Clark ♦ James' DSSSL Engine
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