Index: translation.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/translation/translation.admin.inc,v
retrieving revision 1.6
diff -u -p -r1.6 translation.admin.inc
--- translation.admin.inc	19 Jan 2011 17:11:49 -0000	1.6
+++ translation.admin.inc	1 Feb 2011 04:05:14 -0000
@@ -284,6 +284,48 @@ function translation_edit_form($form, $f
     }
   }
 
+  // Prepare revision field
+  node_object_prepare($entity);
+  $form['revision_information'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Revision information'),
+    '#collapsible' => TRUE,
+    // Collapsed by default when "Create new revision" is unchecked
+    '#collapsed' => !$entity->revision,
+    '#group' => 'additional_settings',
+    '#attributes' => array(
+      'class' => array('node-form-revision-information'),
+    ),
+    '#attached' => array(
+      'js' => array(drupal_get_path('module', 'node') . '/node.js'),
+    ),
+    '#weight' => 20,
+    '#access' => $entity->revision || user_access('administer nodes'),
+  );
+  $form['revision_information']['revision'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Create new revision'),
+    '#default_value' => $entity->revision,
+    '#access' => user_access('administer nodes'),
+  );
+  // Check the revision log checkbox when the log textarea is filled in.
+  // This must not happen if "Create new revision" is enabled by default, since
+  // the state would auto-disable the checkbox otherwise.
+  if (!$entity->revision) {
+    $form['revision_information']['revision']['#states'] = array(
+      'checked' => array(
+        'textarea[name="log"]' => array('empty' => FALSE),
+      ),
+    );
+  }
+  $form['revision_information']['log'] = array(
+    '#type' => 'textarea',
+    '#title' => t('Revision log message'),
+    '#rows' => 4,
+    '#default_value' => !empty($entity->log) ? $entity->log : '',
+    '#description' => t('Provide an explanation of the changes you are making. This will help other authors understand your motivations.'),
+  );
+
   $form['actions'] = array('#type' => 'actions');
   $form['actions']['submit'] = array(
     '#type' => 'submit',
@@ -364,6 +406,23 @@ function translation_edit_form_source_la
 function translation_edit_form_save_submit($form, &$form_state) {
   $handler = $form['#handler'];
 
+  // A new node revision was requested, save a new revision
+  if (!empty($form['#entity']->revision)) {
+    global $user;
+
+    $form['#entity']->changed = REQUEST_TIME;
+    $form['#entity']->timestamp = REQUEST_TIME;
+
+    unset($form['#entity']->vid);
+
+    _node_save_revision($form['#entity'], $user->uid);
+
+    db_update('node')
+      ->fields(array('vid' => $form['#entity']->vid))
+      ->condition('nid', $form['#entity']->nid)
+      ->execute();
+  }
+
   $translation = array(
     'translate' => $form_state['values']['translation']['translate'],
     'status' => $form_state['values']['translation']['status'],