diff: Display "(No difference)" instead of an empty diff

[lhc/web/wiklou.git] / includes / diff / DifferenceEngine.php

diff --git a/includes/diff/DifferenceEngine.php b/includes/diff/DifferenceEngine.php
index 4c2de4e..6657667 100644 (file)
--- a/includes/diff/DifferenceEngine.php
+++ b/includes/diff/DifferenceEngine.php
@@ -610,6 +610,13 @@ class DifferenceEngine extends ContextSource {
                        return false;
                } else {
                        $multi = $this->getMultiNotice();
+                       // Display a message when the diff is empty
+                       if ( $body === '' ) {
+                               if ( $multi !== '' ) {
+                                       $multi .= '<br />';
+                               }
+                               $multi .= $this->msg( 'diff-empty' )->parse();
+                       }
                        return $this->addHeader( $body, $otitle, $ntitle, $multi, $notice );
                }
        }