diff -r 000000000000 -r 6474c204b198 parser/htmlparser/public/nsIExtendedExpatSink.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parser/htmlparser/public/nsIExtendedExpatSink.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsIExpatSink.idl"
+
+/**
+ * This interface provides notification of syntax-level events.
+ */
+[scriptable, uuid(146E194B-333D-4283-8CF6-4BC3EE9B5DFF)]
+interface nsIExtendedExpatSink : nsIExpatSink
+{
+  /**
+   * Called at the beginning of the DTD, before any entity or notation
+   * events.
+   * @param aDoctypeName The document type name.
+   * @param aSysid The declared system identifier for the external DTD subset,
+   *               or null if none was declared.
+   * @param aPubid The declared public identifier for the external DTD subset,
+   *               or null if none was declared.
+   */
+  void handleStartDTD(in wstring aDoctypeName,
+                      in wstring aSysid,
+                      in wstring aPubid);
+
+  /**
+   * Called when a prefix mapping starts to be in-scope, before any
+   * startElement events.
+   * @param aPrefix The Namespace prefix being declared. An empty string
+   *                is used for the default element namespace, which has
+   *                no prefix.
+   * @param aUri The Namespace URI the prefix is mapped to.
+   */
+  void handleStartNamespaceDecl(in wstring aPrefix,
+                                in wstring aUri);
+                              
+  /**
+   * Called when a prefix mapping is no longer in-scope, after any
+   * endElement events.
+   * @param aPrefix The prefix that was being mapped. This is the empty string
+   *                when a default mapping scope ends.
+   */
+  void handleEndNamespaceDecl(in wstring aPrefix);
+
+  /**
+   * This is called for a declaration of notation.  The base argument is
+   * whatever was set by XML_SetBase. aNotationName will never be
+   * null. The other arguments can be.
+   * @param aNotationName The notation name.
+   * @param aSysId The notation's system identifier, or null if none was given.
+   * @param aPubId The notation's pubilc identifier, or null if none was given.
+   */
+  void handleNotationDecl(in wstring aNotationName,
+                          in wstring aSysid,
+                          in wstring aPubid);
+                              
+  /**
+   * This is called for a declaration of an unparsed (NDATA) entity.
+   * aName, aSysid and aNotationName arguments will never be
+   * null. The other arguments may be.
+   * @param aName  The unparsed entity's name.
+   * @param aSysId The notation's system identifier.
+   * @param aPubId The notation's pubilc identifier, or null if none was given.
+   * @param aNotationName The name of the associated notation.
+   */
+  void handleUnparsedEntityDecl(in wstring aName,
+                                in wstring aSysid,
+                                in wstring aPubid,
+                                in wstring aNotationName);
+
+};