ref: a3cd9d6083f95a7442935c6f623c7655447215a4
dir: /appl/ebook/units.m/
Units: module {
PATH: con "/dis/ebook/units.dis";
init: fn();
length: fn(s: string, emsize, exsize: int, relative: string): (int, string);
isrelative: fn(s: string): int;
};