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diff --git a/khtml/rendering/render_flow.h b/khtml/rendering/render_flow.h
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+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ *           (C) 1999-2003 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2002-2003 Dirk Mueller (mueller@kde.org)
+ *           (C) 2003 Apple Computer, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+#ifndef RENDER_FLOW_H
+#define RENDER_FLOW_H
+
+#include "render_box.h"
+#include "bidi.h"
+#include "render_line.h"
+
+namespace khtml {
+
+/**
+ * all geometry managing stuff is only in the block elements.
+ *
+ * Inline elements don't layout themselves, but the whole paragraph
+ * gets flowed by the surrounding block element. This is, because
+ * one needs to know the whole paragraph to calculate bidirectional
+ * behaviour of text, so putting the layouting routines in the inline
+ * elements is impossible.
+ */
+class RenderFlow : public RenderBox
+{
+public:
+    RenderFlow(DOM::NodeImpl* node)
+      : RenderBox(node)
+    { m_continuation = 0; m_firstLineBox = 0; m_lastLineBox = 0; }
+
+    virtual RenderFlow* continuation() const { return m_continuation; }
+    void setContinuation(RenderFlow* c) { m_continuation = c; }
+    RenderFlow* continuationBefore(RenderObject* beforeChild);
+
+    void addChildWithContinuation(RenderObject* newChild, RenderObject* beforeChild);
+    virtual void addChildToFlow(RenderObject* newChild, RenderObject* beforeChild) = 0;
+    virtual void addChild(RenderObject *newChild, RenderObject *beforeChild = 0);
+
+    static RenderFlow* createFlow(DOM::NodeImpl* node, RenderStyle* style, RenderArena* arena);
+
+    virtual void deleteLastLineBox(RenderArena* arena=0);
+    virtual void deleteInlineBoxes(RenderArena* arena=0);
+
+
+    InlineFlowBox* firstLineBox() const { return m_firstLineBox; }
+    InlineFlowBox* lastLineBox() const { return m_lastLineBox; }
+
+    virtual InlineBox* createInlineBox(bool makePlaceHolderBox, bool isRootLineBox);
+
+    void paintLines(PaintInfo& i, int _tx, int _ty);
+    bool hitTestLines(NodeInfo& i, int x, int y, int tx, int ty, HitTestAction hitTestAction);
+
+    virtual void repaint(Priority p=NormalPriority);
+
+    virtual int highestPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+    virtual int lowestPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+    virtual int rightmostPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+    virtual int leftmostPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+
+protected:
+    // An inline can be split with blocks occurring in between the inline content.
+    // When this occurs we need a pointer to our next object.  We can basically be
+    // split into a sequence of inlines and blocks.  The continuation will either be
+    // an anonymous block (that houses other blocks) or it will be an inline flow.
+    RenderFlow* m_continuation;
+
+    // For block flows, each box represents the root inline box for a line in the
+    // paragraph.
+    // For inline flows, each box represents a portion of that inline.
+    InlineFlowBox* m_firstLineBox;
+    InlineFlowBox* m_lastLineBox;
+};
+
+
+} //namespace
+
+#endif