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diff --git a/WebCore/html/HTMLTableSectionElement.cpp b/WebCore/html/HTMLTableSectionElement.cpp
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+/**
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1997 Martin Jones (mjones@kde.org)
+ *           (C) 1997 Torben Weis (weis@kde.org)
+ *           (C) 1998 Waldo Bastian (bastian@kde.org)
+ *           (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2003, 2004, 2005, 2006 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.
+ */
+#include "config.h"
+#include "HTMLTableSectionElement.h"
+
+#include "ExceptionCode.h"
+#include "HTMLCollection.h"
+#include "HTMLNames.h"
+#include "HTMLTableRowElement.h"
+#include "HTMLTableElement.h"
+#include "NodeList.h"
+#include "Text.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLTableSectionElement::HTMLTableSectionElement(const QualifiedName& tagName, Document* document)
+    : HTMLTablePartElement(tagName, document)
+{
+}
+
+bool HTMLTableSectionElement::checkDTD(const Node* newChild)
+{
+    if (newChild->isTextNode())
+        return static_cast<const Text*>(newChild)->containsOnlyWhitespace();
+    return newChild->hasTagName(trTag) || newChild->hasTagName(formTag) ||
+           newChild->hasTagName(scriptTag);
+}
+
+ContainerNode* HTMLTableSectionElement::addChild(PassRefPtr<Node> child)
+{
+    if (child->hasTagName(formTag)) {
+        // First add the child.
+        HTMLTablePartElement::addChild(child);
+
+        // Now simply return ourselves as the container to insert into.
+        // This has the effect of demoting the form to a leaf and moving it safely out of the way.
+        return this;
+    }
+
+    return HTMLTablePartElement::addChild(child);
+}
+
+// used by table row groups to share style decls created by the enclosing table.
+void HTMLTableSectionElement::additionalAttributeStyleDecls(Vector<CSSMutableStyleDeclaration*>& results)
+{
+    Node* p = parentNode();
+    while (p && !p->hasTagName(tableTag))
+        p = p->parentNode();
+    if (!p)
+        return;
+    static_cast<HTMLTableElement*>(p)->addSharedGroupDecls(true, results);
+}
+
+// these functions are rather slow, since we need to get the row at
+// the index... but they aren't used during usual HTML parsing anyway
+PassRefPtr<HTMLElement> HTMLTableSectionElement::insertRow(int index, ExceptionCode& ec)
+{
+    RefPtr<HTMLTableRowElement> r;
+    RefPtr<HTMLCollection> children = rows();
+    int numRows = children ? (int)children->length() : 0;
+    if (index < -1 || index > numRows)
+        ec = INDEX_SIZE_ERR; // per the DOM
+    else {
+        r = new HTMLTableRowElement(document());
+        if (numRows == index || index == -1)
+            appendChild(r, ec);
+        else {
+            Node* n;
+            if (index < 1)
+                n = firstChild();
+            else
+                n = children->item(index);
+            insertBefore(r, n, ec);
+        }
+    }
+    return r.release();
+}
+
+void HTMLTableSectionElement::deleteRow( int index, ExceptionCode& ec)
+{
+    RefPtr<HTMLCollection> children = rows();
+    int numRows = children ? (int)children->length() : 0;
+    if (index == -1)
+        index = numRows - 1;
+    if (index >= 0 && index < numRows) {
+        RefPtr<Node> row = children->item(index);
+        HTMLElement::removeChild(row.get(), ec);
+    } else
+        ec = INDEX_SIZE_ERR;
+}
+
+int HTMLTableSectionElement::numRows() const
+{
+    int rows = 0;
+    const Node *n = firstChild();
+    while (n) {
+        if (n->hasTagName(trTag))
+            rows++;
+        n = n->nextSibling();
+    }
+
+    return rows;
+}
+
+String HTMLTableSectionElement::align() const
+{
+    return getAttribute(alignAttr);
+}
+
+void HTMLTableSectionElement::setAlign(const String &value)
+{
+    setAttribute(alignAttr, value);
+}
+
+String HTMLTableSectionElement::ch() const
+{
+    return getAttribute(charAttr);
+}
+
+void HTMLTableSectionElement::setCh(const String &value)
+{
+    setAttribute(charAttr, value);
+}
+
+String HTMLTableSectionElement::chOff() const
+{
+    return getAttribute(charoffAttr);
+}
+
+void HTMLTableSectionElement::setChOff(const String &value)
+{
+    setAttribute(charoffAttr, value);
+}
+
+String HTMLTableSectionElement::vAlign() const
+{
+    return getAttribute(valignAttr);
+}
+
+void HTMLTableSectionElement::setVAlign(const String &value)
+{
+    setAttribute(valignAttr, value);
+}
+
+PassRefPtr<HTMLCollection> HTMLTableSectionElement::rows()
+{
+    return HTMLCollection::create(this, HTMLCollection::TSectionRows);
+}
+
+}