common_menu_item(common_local_url('doc', array('title' => 'privacy')),
_t('Privacy'));
common_menu_item(common_local_url('doc', array('title' => 'source')),
common_menu_item(common_local_url('doc', array('title' => 'privacy')),
_t('Privacy'));
common_menu_item(common_local_url('doc', array('title' => 'source')),
-function common_avatar_filename($user, $extension, $size=NULL) {
+function common_avatar_filename($user, $extension, $size=NULL, $extra=NULL) {