--- a/QTfrontend/AbstractPage.h	Sat Sep 24 04:53:53 2011 +0200
+++ b/QTfrontend/AbstractPage.h	Sat Sep 24 16:22:10 2011 +0200
@@ -50,7 +50,8 @@
 {
     Q_OBJECT
 
- public:
+ signals:
+    void goBack();
 
  protected:
   AbstractPage(QWidget* parent = 0) {