===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/less/main.c,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -r1.29 -r1.30
--- src/usr.bin/less/main.c	2015/11/13 16:48:48	1.29
+++ src/usr.bin/less/main.c	2015/11/14 20:13:29	1.30
@@ -350,13 +350,12 @@
 	for (; *s != '\0';  s++, ps++) {
 		c = *ps;
 		if (uppercase) {
-			if (len == 0 && isupper(c))
+			if (len == 0 && islower(c))
 				return (-1);
-			if (isupper(c))
-				c = tolower(c);
+			c = tolower(c);
 		}
 		sc = *s;
-		if (len > 0 && isupper(sc))
+		if (len > 0)
 			sc = tolower(sc);
 		if (c != sc)
 			break;