Oops, fix upper controls test

usr.bin/write/write.c

@@ -45,7 +45,7 @@ static const char copyright[] =
 static char sccsid[] = "@(#)write.c	8.1 (Berkeley) 6/6/93";
 #endif
 static const char rcsid[] =
-	"$Id: write.c,v 1.7 1997/08/26 11:23:37 charnier Exp $";
+	"$Id: write.c,v 1.8 1997/09/15 00:08:19 ache Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -310,7 +310,8 @@ wr_fputs(s)
 	for (; *s != '\0'; ++s) {
 		if (*s == '\n') {
 			PUTC('\r');
-		} else if (*s <= 0xA0 || /* disable upper controls */
+		} else if (((*s & 0x80) && *s < 0xA0) ||
+			   /* disable upper controls */
 			   (!isprint(*s) && !isspace(*s) && *s != '\007')
 			  ) {
 			if (*s & 0x80) {