// -*- C++ -*-
/* This file is part of
- * ======================================================
+ * ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1997-1999 The LyX Team.
*
- * ======================================================*/
+ * ====================================================== */
#ifndef BACK_STACK_H
#define BACK_STACK_H
#include <stack>
+using std::stack;
+
#include "LString.h"
// Created by Alejandro Aguilar Sierra, 970806