Index: modules/node/node.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.pages.inc,v
retrieving revision 1.28.2.3
diff -u -p -r1.28.2.3 node.pages.inc
--- modules/node/node.pages.inc	10 Nov 2008 10:18:54 -0000	1.28.2.3
+++ modules/node/node.pages.inc	7 Mar 2009 23:30:43 -0000
@@ -156,11 +156,18 @@ function node_form(&$form_state, $node) 
       '#title' => t('Create new revision'),
       '#default_value' => $node->revision,
     );
+    if ($form_state['submitted'] == TRUE) {
+      $revlogmessage = $node->log;
+    }
+    else {
+      $revlogmessage = '';
+    }    
     $form['revision_information']['log'] = array(
       '#type' => 'textarea',
       '#title' => t('Log message'),
       '#rows' => 2,
       '#description' => t('An explanation of the additions or updates being made to help other authors understand your motivations.'),
+      '#default_value' => $revlogmessage,
     );
   }