diff -N -urbB modules/dav/acl/Makefile.in modules/dav/acl/Makefile.in
--- modules/dav/acl/Makefile.in	1969-12-31 19:00:00.000000000 -0500
+++ modules/dav/acl/Makefile.in	2009-08-16 15:40:38.000000000 -0400
@@ -0,0 +1,3 @@
+# a modules Makefile has no explicit targets -- they will be defined by
+# whatever modules are enabled. just grab special.mk to deal with this.
+include $(top_srcdir)/build/special.mk
diff -N -urbB modules/dav/acl/config9.m4 modules/dav/acl/config9.m4
--- modules/dav/acl/config9.m4	1969-12-31 19:00:00.000000000 -0500
+++ modules/dav/acl/config9.m4	2009-08-16 23:56:40.000000000 -0400
@@ -0,0 +1,9 @@
+dnl modules enabled in this directory by default
+
+APACHE_MODPATH_INIT(dav/acl)
+
+dav_fs_objects="mod_dav_acl.lo"
+
+APACHE_MODULE(dav_acl, DAV provider for the ACL, $dav_acl_objects, , no)
+
+APACHE_MODPATH_FINISH
diff -N -urbB modules/dav/acl/mod_dav_acl.c modules/dav/acl/mod_dav_acl.c
--- modules/dav/acl/mod_dav_acl.c	1969-12-31 19:00:00.000000000 -0500
+++ modules/dav/acl/mod_dav_acl.c	2009-08-29 12:29:45.000000000 -0400
@@ -0,0 +1,86 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "httpd.h"
+#include "http_config.h"
+
+#include "mod_dav.h"
+
+/* per-server configuration */
+typedef struct {
+
+} dav_acl_server_conf;
+
+extern module AP_MODULE_DECLARE_DATA dav_acl_module;
+
+static void *dav_acl_create_server_config(apr_pool_t *p, server_rec *s)
+{
+    return apr_pcalloc(p, sizeof(dav_acl_server_conf));
+}
+
+static void *dav_acl_merge_server_config(apr_pool_t *p, void *base, void *overrides)
+{
+    dav_acl_server_conf *parent = base;
+    dav_acl_server_conf *child = overrides;
+    dav_acl_server_conf *newconf;
+
+    newconf = apr_pcalloc(p, sizeof(*newconf));
+    
+    return newconf;
+}
+
+/** options hooks */
+static dav_error *acl_options_dav_header(request_rec *r, 
+					 const dav_resource *resource,
+					 apr_text_header *phdr)
+{
+    apr_text_append(r->pool, phdr, "access-control");
+    return NULL;
+}                           
+                           
+static dav_error *acl_options_dav_method(request_rec *r,
+					 const dav_resource *resource,
+					 apr_text_header *phdr)
+{
+    apr_text_append(r->pool, phdr, "REPORT");
+    apr_text_append(r->pool, phdr, "ACL");
+    return NULL;
+}                           
+
+static dav_hooks_options options = {
+    acl_options_dav_header, 
+    acl_options_dav_method,
+    NULL
+};
+
+static const command_rec dav_acl_cmds[] = {
+    { NULL }
+};
+
+static void register_hooks(apr_pool_t *p)
+{
+    dav_options_register_hooks (p, "acl", &options);
+}
+
+module AP_MODULE_DECLARE_DATA dav_acl_module = {
+    STANDARD20_MODULE_STUFF,
+    NULL,                        /* dir config creater */
+    NULL,                        /* dir merger --- default is to override */
+    dav_acl_create_server_config, /* server config */
+    dav_acl_merge_server_config,  /* merge server config */
+    dav_acl_cmds,                 /* command table */
+    register_hooks,              /* register hooks */
+};