diff --git a/mozilla/htmlparser/src/nsIHTMLFragmentContentSink.h b/mozilla/htmlparser/src/nsIHTMLFragmentContentSink.h
new file mode 100644
index 00000000000..2d9ba2c6930
--- /dev/null
+++ b/mozilla/htmlparser/src/nsIHTMLFragmentContentSink.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#ifndef nsIHTMLFragmentContentSink_h___
+#define nsIHTMLFragmentContentSink_h___
+
+#include "nsIHTMLContentSink.h"
+
+class nsIDOMDocumentFragment;
+
+#define NS_IHTML_FRAGMENT_CONTENT_SINK_IID \
+ {0xa6cf9102, 0x15b3, 0x11d2,              \
+ {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
+
+class nsIHTMLFragmentContentSink : public nsIHTMLContentSink {
+public:
+  /**
+   * This method is used to obtain the fragment created by
+   * a fragment content sink. The value returned will be null
+   * if the content sink hasn't yet received parser notifications.
+   *
+   */
+  NS_IMETHOD GetFragment(nsIDOMDocumentFragment** aFragment) = 0;
+};
+
+#endif
diff --git a/mozilla/parser/htmlparser/src/nsIHTMLFragmentContentSink.h b/mozilla/parser/htmlparser/src/nsIHTMLFragmentContentSink.h
new file mode 100644
index 00000000000..2d9ba2c6930
--- /dev/null
+++ b/mozilla/parser/htmlparser/src/nsIHTMLFragmentContentSink.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#ifndef nsIHTMLFragmentContentSink_h___
+#define nsIHTMLFragmentContentSink_h___
+
+#include "nsIHTMLContentSink.h"
+
+class nsIDOMDocumentFragment;
+
+#define NS_IHTML_FRAGMENT_CONTENT_SINK_IID \
+ {0xa6cf9102, 0x15b3, 0x11d2,              \
+ {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
+
+class nsIHTMLFragmentContentSink : public nsIHTMLContentSink {
+public:
+  /**
+   * This method is used to obtain the fragment created by
+   * a fragment content sink. The value returned will be null
+   * if the content sink hasn't yet received parser notifications.
+   *
+   */
+  NS_IMETHOD GetFragment(nsIDOMDocumentFragment** aFragment) = 0;
+};
+
+#endif