* defs.h: Include progress.h.

	* defs.h: Include progress.h.
	(QUIT): Call PROGRESS.
	* main.c (main): Call START_PROGRESS and END_PROGRESS, break
	usage message into shorter strings.
	* source.c:  Change long command help strings into concats of
	shorter ones, for picky ANSI compilers.

(ChangeLog.mpw)
	* main.c, source.c: Remove hacks that replace long strings
	with shorter ones, now solved portably.