Support xx in lang.php

diff --git a/lang.php b/lang.php
index b243c87826fe4848cf2edb0e15b1e5ebcc3b5ce8..c289e546569ae98473081e6f632e7c19a822a282 100755 (executable)
--- a/lang.php
+++ b/lang.php
@@ -5,7 +5,7 @@ unset($_COOKIE["adminer_lang"]);
 $_SESSION["lang"] = $_SERVER["argv"][1]; // Adminer functions read language from session
 if (isset($_SESSION["lang"])) {
        include dirname(__FILE__) . "/adminer/include/lang.inc.php";
-       if (isset($_SERVER["argv"][2]) || !isset($langs[$_SESSION["lang"]])) {
+       if (isset($_SERVER["argv"][2]) || (!isset($langs[$_SESSION["lang"]]) && $_SESSION["lang"] != "xx")) {
                echo "Usage: php lang.php [lang]\nPurpose: Update adminer/lang/*.inc.php from source code messages.\n";
                exit(1);
        }