SunOS 4 is no longer supported

Author: jan.nijtmans

compat/string.h

@@ -68,11 +68,7 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <stdint.h>
-#ifdef NO_STRING_H
-#include "../compat/string.h"
-#else
 #include <string.h>
-#endif
 #include <locale.h>
 
 /*

generic/tclInt.h

@@ -141,11 +141,6 @@ test load-5.1 {file name not specified and no static package: pick default} -set
     interp delete x
 } -result [list [list [file join $testDir tcl9pkga$ext] Pkga]]
 
-# On some platforms, like SunOS 4.1.3, these tests can't be run because
-# they cause the process to exit.
-#
-# As of 2005, such ancient broken systems no longer matter.
-
 test load-6.1 {errors loading file} [list $dll $loaded] {
     catch {load foo foo}
 } {1}