New file. Provides standard sieve actions (all noops, so far).

+/* GNU mailutils - a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif  
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>  
+#include <string.h>  
+#include <sieve.h>
+
+int
+sieve_action_stop (sieve_machine_t *mach, list_t *args)
+{
+}
+
+int
+sieve_action_keep (sieve_machine_t *mach, list_t *args)
+{
+}
+
+int
+sieve_action_discard (sieve_machine_t *mach, list_t *args)
+{
+}
+
+int
+sieve_action_fileinto (sieve_machine_t *mach, list_t *args)
+{
+}
+
+int
+sieve_action_reject (sieve_machine_t *mach, list_t *args)
+{
+}
+
+int
+sieve_action_redirect (sieve_machine_t *mach, list_t *args)
+{
+}
+
+sieve_data_type fileinto_args[] = {
+  SVT_STRING_LIST,
+  SVT_VOID
+};
+
+void
+sieve_register_standard_actions ()
+{
+  sieve_register_action ("stop", sieve_action_stop, NULL, NULL, 1);
+  sieve_register_action ("keep", sieve_action_keep, NULL, NULL, 1);
+  sieve_register_action ("discard", sieve_action_keep, NULL, NULL, 1);
+  sieve_register_action ("fileinto", sieve_action_keep, fileinto_args,
+			 NULL, 1);
+  sieve_register_action ("reject", sieve_action_reject, fileinto_args,
+			 NULL, 0);
+  sieve_register_action ("redirect", sieve_action_redirect, fileinto_args,
+			 NULL, 0);
+}
+