Bug 68787 [Markers] Messages need to be converted to the new format
R3.0 The fix for the missing help in the tasks view introduced a missing NL string Non-externalized string literal; it should be followed by //$NON-NLS-<n>$ MarkerView.java org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal line 298
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ActionDeleteCompleted.java
private TaskView part;
    /**
     * Constructs an ActionDeleteCompleted instance
     * 
     * @param part
     * @param provider
     */
    public ActionDeleteCompleted(TaskView part, ISelectionProvider provider) {
        super(provider, Messages.getString("deleteCompletedAction.title")); 
        this.part = part;
        setEnabled(false);
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run() {
        final List completed = getCompletedTasks();
        
        if (completed.size() == 0) {
            MessageDialog.openInformation(part.getSite().getShell(), Messages
                    .getString("deleteCompletedTasks.dialogTitle"),