Index: modules/translation/translation.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/translation/translation.module,v
retrieving revision 1.46
diff -u -p -r1.46 translation.module
--- modules/translation/translation.module	27 May 2009 18:34:02 -0000	1.46
+++ modules/translation/translation.module	31 May 2009 10:19:05 -0000
@@ -75,8 +75,10 @@ function translation_menu() {
  * all languages).
  */
 function _translation_tab_access($node) {
+  global $user;
+
   if (!empty($node->language) && translation_supported_type($node->type)) {
-    return user_access('translate content');
+    return (user_access('translate content') || (($node->uid == $user->uid) && user_access('translate own content')));
   }
   return FALSE;
 }
@@ -90,6 +92,10 @@ function translation_perm() {
       'title' => t('Translate content'),
       'description' => t('Translate website content.'),
     ),
+    'translate own content' => array(
+      'title' => t('Translate own content'),
+      'description' => t('Translate own website content.'),
+    ),
   );
 }
 
@@ -111,6 +117,8 @@ function translation_form_node_type_form
  *   is about to be created.
  */
 function translation_form_alter(&$form, &$form_state, $form_id) {
+  global $user;
+
   if (isset($form['#id']) && $form['#id'] == 'node-form' && translation_supported_type($form['#node']->type)) {
     $node = $form['#node'];
     if (!empty($node->translation_source)) {
@@ -133,7 +141,7 @@ function translation_form_alter(&$form, 
       $form['translation'] = array(
         '#type' => 'fieldset',
         '#title' => t('Translation settings'),
-        '#access' => user_access('translate content'),
+        '#access' => user_access('translate content') || (($node->uid == $user->uid) && user_access('translate own content')),
         '#collapsible' => TRUE,
         '#collapsed' => !$node->translate,
         '#tree' => TRUE,
@@ -193,11 +201,13 @@ function translation_node_view($node, $t
  * Implement hook_node_prepare().
  */
 function translation_node_prepare($node) {
+  global $user;
+
   // Only act if we are dealing with a content type supporting translations.
   if (translation_supported_type($node->type)) {
     if (empty($node->nid) && isset($_GET['translation']) && isset($_GET['language']) &&
         ($source_nid = $_GET['translation']) && ($language = $_GET['language']) &&
-        (user_access('translate content'))) {
+        (user_access('translate content') || (($node->uid == $user->uid) && user_access('translate own content')))) {
       // We are translating a node from a source node, so
       // load the node to be translated and populate fields.
       $source_node = node_load($source_nid);
Index: modules/translation/translation.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/translation/translation.test,v
retrieving revision 1.11
diff -u -p -r1.11 translation.test
--- modules/translation/translation.test	2 Apr 2009 20:39:45 -0000	1.11
+++ modules/translation/translation.test	31 May 2009 10:19:05 -0000
@@ -23,6 +23,7 @@ class TranslationTestCase extends Drupal
     // Setup users.
     $admin_user = $this->drupalCreateUser(array('administer languages', 'administer content types', 'access administration pages'));
     $translator = $this->drupalCreateUser(array('create page content', 'edit own page content', 'translate content'));
+    $own_translator = $this->drupalCreateUser(array('create page content', 'edit own page content', 'translate own content'));
 
     $this->drupalLogin($admin_user);
 
@@ -82,6 +83,13 @@ class TranslationTestCase extends Drupal
     $edit['translation[status]'] = FALSE;
     $this->drupalPost('node/' . $node_translation->nid . '/edit', $edit, t('Save'));
     $this->assertRaw(t('Page %title has been updated.', array('%title' => $node_translation_title)), t('Translated node updated.'));
+
+    $this->drupalLogout();
+    $this->drupalLogin($own_translator);
+
+    // Attempt to translate a node which has not been created by the user.
+    $this->drupalGet('node/' . $node->nid . '/translate');
+    $this->assertResponse(403);
   }
 
   /**