@1134331316.0
 [rsc] --rw-rw-r-- M 84741 glenda sys 4227 Dec 11 14:43 sys/src/cmd/calendar.c
	/n/sourcesdump/2005/1211/plan9/sys/src/cmd/calendar.c:44,50 - 
	/n/sourcesdump/2005/1212/plan9/sys/src/cmd/calendar.c:44,50
	  		ahead = atoi(ARGF());
	  		break;
	  	default:
	- 		fprint(2, "usage: calendar [-y] [-d] [files ...]\n");
	+ 		fprint(2, "usage: calendar [-dy] [-p days] [files ...]\n");
	  		exits("usage");
	  	}ARGEND;