Preview automatically when somebody clicks undo. I would make it do a diff of the...

diff --git a/includes/EditPage.php b/includes/EditPage.php
index 5c36690..13cceb1 100644 (file)
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -122,6 +122,7 @@ class EditPage {
                                                # Inform the user of our success and set an automatic edit summary
                                                $this->editFormPageTop .= $wgOut->parse( wfMsgNoTrans( 'undo-success' ) );
                                                $this->summary = wfMsgForContent( 'undo-summary', $undo, $undorev->getUserText() );
+                                               $this->formtype = 'preview'; # Preview the result.
                                        } else {
                                                # Warn the user that something went wrong
                                                $this->editFormPageTop .= $wgOut->parse( wfMsgNoTrans( 'undo-failure' ) );