add ErrorDocument lines to example and .htaccess

.htaccess

@@ -6,3 +6,6 @@ php_value include_path .:./include:../include:../../include
 </IfModule>
 DirectoryIndex index.php index.php3
 AddType application/x-pilot .prc .pdb
+ErrorDocument 404 /error/
+ErrorDocument 401 /error/
+ErrorDocument 403 /error/

README.mirror

@@ -28,6 +28,9 @@ Once you create a virtualhost which looks something like:
    TransferLog logs/access_log
    DirectoryIndex index.php index.php3 manual.php3 index.html index.htm
    php3_include_path .:./include:../include
+   ErrorDocument 404 /error/
+   ErrorDocument 401 /error/
+   ErrorDocument 403 /error/
    </VirtualHost>
 
 modified to reflect your local paths and country, of course, then your site