--- a/src/gui/widgets/qlinecontrol_p.h	Mon Mar 15 12:43:09 2010 +0200
+++ b/src/gui/widgets/qlinecontrol_p.h	Thu Apr 08 14:19:33 2010 +0300
@@ -239,7 +239,7 @@
     void init(const QString &txt);
     void removeSelectedText();
     void internalSetText(const QString &txt, int pos = -1, bool edited = true);
-    void updateDisplayText();
+    void updateDisplayText(bool forceUpdate = false);
 
     void internalInsert(const QString &s);
     void internalDelete(bool wasBackspace = false);