Plan 9 from Bell Labs 2009-06-21

sys/man/3/arch

@@ -135,7 +135,7 @@ inportb(long port)
 
     seek(iobfd, port, 0);
     if(read(iobfd, &data, sizeof(data)) != sizeof(data))
-        sysfatal("inportb(0x%4.4x): %r\en", port);
+        sysfatal("inportb(0x%4.4x): %r", port);
     return data;
 }
 .EE

sys/src/libthread/example.c

@@ -26,7 +26,7 @@ mouseproc(void *arg)
 
 	mc = arg;
 	if((mfd = open("/dev/mouse", OREAD)) < 0)
-		sysfatal("open /dev/mouse: %r\en");
+		sysfatal("open /dev/mouse: %r");
 	for(;;){
 		if(read(mfd, m, sizeof m) != sizeof m)
 			sysfatal("eof");