re: r66438 Fix doc string, add usermessage-editor to $wgReservedUsernames

includes/DefaultSettings.php

@@ -3851,6 +3851,7 @@ $wgReservedUsernames = array(
 	'Maintenance script', // Maintenance scripts which perform editing, image import script
 	'Template namespace initialisation script', // Used in 1.2->1.3 upgrade
 	'msg:double-redirect-fixer', // Automatic double redirect fix
+	'msg:usermessage-editor', // Default user for leaving user messages
 );
 
 /**

includes/User.php

@@ -3757,7 +3757,7 @@ class User {
 	 * @param $article Article The article to update, defaults to the
 	 *                        user's talk page.
 	 * @param $editor User The user leaving the message, defaults to
-	 *                        "SystemMessage"
+	 *                        "{{MediaWiki:usermessage-editor}}"
 	 * @param $flags Int default edit flags
 	 *
 	 * @return boolean true if it was successful