Simplified Pascal. June, 1975. A strict subset of Pascal,

omits scalar types, subranges, sets, files, pointers, packed

structures, 'with' and 'goto. Source for a complete Pascal-S

compiler is in "Pascal-S: A Subset and Its Implementation",

N. Wirth in Pascal - The Language and Its Implementation, by

D.W. Barron, Wiley 1979.