Index: locale.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/locale/locale.module,v
retrieving revision 1.212.2.2
diff -u -8 -p -u -p -r1.212.2.2 locale.module
--- locale.module	9 Jul 2008 21:48:28 -0000	1.212.2.2
+++ locale.module	23 Sep 2008 11:19:45 -0000
@@ -307,16 +307,29 @@ function locale_form_alter(&$form, $form
 function locale_theme() {
   return array(
     'locale_languages_overview_form' => array(
       'arguments' => array('form' => array()),
     ),
   );
 }
 
+/**
+ * Implementation of hook_file_download().
+ *
+ * Ensure that translation JS are always downloadable.
+ */
+function locale_file_download($file) {
+  $path = file_create_url(variable_get('locale_js_directory', 'languages'));
+
+  if (strpos(file_create_url($file), $path) === 0) {
+    return array('Content-type: application/x-javascript');
+  }
+}
+
 // ---------------------------------------------------------------------------------
 // Locale core functionality
 
 /**
  * Provides interface translation services.
  *
  * This function is called from t() to translate a string if needed.
  *
@@ -493,17 +506,19 @@ function locale_system_update($component
  * This function checks all JavaScript files currently added via drupal_add_js()
  * and invokes parsing if they have not yet been parsed for Drupal.t()
  * and Drupal.formatPlural() calls. Also refreshes the JavaScript translation
  * file if necessary, and adds it to the page.
  */
 function locale_update_js_files() {
   global $language;
 
-  $dir = file_create_path(variable_get('locale_js_directory', 'languages'));
+  $dir = file_create_url(file_create_path(variable_get('locale_js_directory',
+                                                       'languages')));
+  $dir = substr($dir, strlen($GLOBALS['base_url']) + 1);
   $parsed = variable_get('javascript_parsed', array());
 
   // The first three parameters are NULL in order to get an array with all
   // scopes. This is necessary to prevent recreation of JS translation files
   // when new files are added for example in the footer.
   $javascript = drupal_add_js(NULL, NULL, NULL);
   $files = $new_files = FALSE;