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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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/MPL/
 *
 * 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.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Brian Stell <bstell@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

/**
 * The nsIDocCharset interface allows the user to view, 
 * hint, and set which converter is used to read the document's 
 * data.
 *
 * <P>Inside Mozilla all text is encoded as Unicode. By standardizing  
 * on Unicode every piece of code that handles characters no longer 
 * needs to: 
 *
 *     Have access to a character encoding parameter.
 *     Ask is the data stateful?
 *     Ask is the data single byte?
 *     Ask is the data multi-byte?
 *     If multi-byte: have access to a routine that can
 *         determine how many bytes in the current character.
 *
 * When the document is read in a converter is used to convert 
 * the document's data to Unicode.
 *
 * nsIDocCharset provides the ability to:
 *
 *   See what converter was used when inputting the documents
 *   data.
 *
 *   Override the character set for documents where the specified 
 *   fallback, or auto-detected character set is incorrect
 *
 */
[scriptable, uuid(9c18bb4e-1dd1-11b2-bf91-9cc82c275823)]
interface nsIDocCharset : nsISupports
{
    
    /**
     * Get/sets the encoding (converter) used to read the 
     * document. Get returns the encoding used. Set forces 
     * (overrides) the encoding. After forcing the charset the 
     * embedding application will need to cause the data to be 
     * reparsed in order to update the DOM / display.
     *
     * A force also sets the fallback encoding for this frame.
     */
    attribute string charset;

};