ref: 015c3ecea040a3e2b7fdacc73e4cc7d289924ad6
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;
};