Add configuration option 'specials' to hide specials 'anyone' and 'anonymous' from the ACL configuration dialog

plugins/acl/acl.php

@@ -148,6 +148,7 @@ class acl extends rcube_plugin
 
         // Load localization and include scripts
         $this->load_config();
+        $this->specials = $this->rc->config->get('acl_specials', $this->specials);
         $this->add_texts('localization/', array('deleteconfirm', 'norights',
             'nouser', 'deleting', 'saving'));
         $this->include_script('acl.js');

plugins/acl/config.inc.php.dist

@@ -16,4 +16,6 @@ $rcmail_config['acl_users_field'] = 'mail';
 // The LDAP search filter will be &'d with search queries
 $rcmail_config['acl_users_filter'] = '';
 
+$rcmail_config['acl_specials'] = array();
+
 ?>