ref: 8294be6e7c9032e3c472018b53154d5b4faec00c
dir: /appl/cmd/disk/prep/calc.tab.m/
Calc: module {
parseexpr: fn(s: string, a, b, c: big): (big, string);
init: fn(nil: ref Draw->Context, nil: list of string);
NUMBER: con 57346;
UNARYMINUS: con 57347;
};