ref: 8a788aea84aad3bfbd5b39d78c1925654f3b9e14
dir: /module/tabs.m/
Tabs: module
{
PATH: con "/dis/lib/tabs.dis";
init: fn();
mktabs: fn(t: ref Tk->Toplevel, dot: string,
tabs: array of (string, string),
dflt: int): chan of string;
tabsctl: fn(t: ref Tk->Toplevel,
dot: string,
tabs: array of (string, string),
id: int,
s: string): int;
};