Reports: module {	PATH: con "/dis/alphabet/reports.dis";	Report: adt {		startc: chan of (string, chan of string, chan of int);		enablec: chan of int;			enable:	fn(r: self ref Report);		start:		fn(r: self ref Report, name: string): chan of string;		add:		fn(r: self ref Report, name: string, errorc: chan of string, stopc: chan of int);	};	KILL, PROPAGATE: con 1<<iota;	reportproc: fn(errorc: chan of string, stopc: chan of int, reply: chan of ref Report);	quit: fn(errorc: chan of string);	report: fn(errorc: chan of string, err: string);	newpgrp: fn(stopc: chan of int, flags: int): chan of int;};