Index: ktrace.1
===================================================================
RCS file: /home/ncvs/src/usr.bin/ktrace/ktrace.1,v
retrieving revision 1.9
diff -u -r1.9 ktrace.1
--- ktrace.1	2000/11/20 19:20:51	1.9
+++ ktrace.1	2001/06/16 06:16:50
@@ -42,8 +42,7 @@
 .Nm
 .Op Fl aCcdi
 .Op Fl f Ar trfile
-.Op Fl g Ar pgrp
-.Op Fl p Ar pid
+.Op Fl g Ar pgrp | Fl p Ar pid
 .Op Fl t Ar trstr
 .Nm
 .Op Fl adi
Index: ktrace.c
===================================================================
RCS file: /home/ncvs/src/usr.bin/ktrace/ktrace.c,v
retrieving revision 1.14
diff -u -r1.14 ktrace.c
--- ktrace.c	2000/09/04 06:09:46	1.14
+++ ktrace.c	2001/06/16 06:16:50
@@ -131,7 +131,7 @@
 			trpoints = ALL_POINTS;
 			pid = 1;
 		} else
-			ops |= pid ? KTROP_CLEAR : KTROP_CLEARFILE;
+			ops |= pidset ? KTROP_CLEAR : KTROP_CLEARFILE;
 
 		if (ktrace(tracefile, ops, trpoints, pid) < 0)
 			err(1, "%s", tracefile);
@@ -186,8 +186,8 @@
 usage()
 {
 	(void)fprintf(stderr, "%s\n%s\n",
-"usage: ktrace [-aCcid] [-f trfile] [-g pgid] [-p pid] [-t [cnisuv]",
-"       ktrace [-aCcid] [-f trfile] [-t [cnisuw] command");
+"usage: ktrace [-aCcdi] [-f trfile] [-g pgrp | -p pid] [-t cnisuw]",
+"       ktrace [-adi] [-f trfile] [-t cnisuw] command");
 	exit(1);
 }