Index: addons/symbolviewer/plugin_katesymbolviewer.cpp
===================================================================
--- addons/symbolviewer/plugin_katesymbolviewer.cpp
+++ addons/symbolviewer/plugin_katesymbolviewer.cpp
@@ -349,8 +349,13 @@
     hlModeName == QLatin1String("JavaScript") ||
     hlModeName == QLatin1String("QML"))
      parseEcmaSymbols();
-  else
-    new QTreeWidgetItem(m_symbols,  QStringList(i18n("Sorry. Language not supported yet") ) );
+  else {
+    // Setting type to -1 may or may not useful to indicate something special, currently not used
+    QTreeWidgetItem *node = new QTreeWidgetItem(m_symbols, -1);
+    node->setText(0, i18n("Sorry, \"%1\" is not supported yet", hlModeName));
+    // Setting invalid line number avoid jump to top of document when clicked
+    node->setText(1, QLatin1String("-1"));
+  }
 
   m_oldCursorLine = -1;
   updateCurrTreeItem();