зеркало из https://github.com/mozilla/gecko-dev.git
211 строки
7.4 KiB
C
211 строки
7.4 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef _nsMsgI18N_H_
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#define _nsMsgI18N_H_
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#include "nscore.h"
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#include "msgCore.h"
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#ifndef kMAX_CSNAME
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#define kMAX_CSNAME 64
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#endif
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/**
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* Encode an input string into RFC 2047 form.
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*
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* @param header [IN] A header to encode.
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* @param charset [IN] Charset name to convert.
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* @param bUseMime [IN] If false then apply charset conversion only no MIME encoding.
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* @return Encoded buffer (in C string) or NULL in case of error.
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*/
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NS_MSG_BASE char *nsMsgI18NEncodeMimePartIIStr(const char *header, const char *charset, PRBool bUseMime);
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/**
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* Check if given charset is stateful (e.g. ISO-2022-JP).
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*
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* @param charset [IN] Charset name.
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* @return True if stateful
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*/
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NS_MSG_BASE PRBool nsMsgI18Nstateful_charset(const char *charset);
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/**
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* Check if given charset is multibye (e.g. Shift_JIS, Big5).
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*
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* @param charset [IN] Charset name.
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* @return True if multibyte
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*/
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NS_MSG_BASE PRBool nsMsgI18Nmultibyte_charset(const char *charset);
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/**
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* Check the input string contains 7 bit data only.
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*
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* @param charset [IN] Charset name of the input string.
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* @param string [IN] Input string to be examined.
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* @param size [IN] Size of the input string.
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* @return True if 7 bit only.
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*/
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NS_MSG_BASE PRBool nsMsgI18N7bit_data_part(const char *charset, const char *string, const PRUint32 size);
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/**
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* Check the input (unicode) string is in a range of the given charset after the conversion.
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* Note, do not use this for large string (e.g. message body) since this actually applies the conversion to the buffer.
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*
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* @param charset [IN] Charset to be converted.
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* @param inString [IN] Input unicode string to be examined.
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* @return True if the string can be converted within the charset range.
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* False if one or more characters cannot be converted to the target charset.
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*/
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NS_MSG_BASE PRBool nsMsgI18Ncheck_data_in_charset_range(const char *charset, const nsString& inString);
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/**
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* Return accept language.
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*
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* @return Accept language.
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*/
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NS_MSG_BASE char *nsMsgI18NGetAcceptLanguage(void);
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/**
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* Return charset name internally used in messsage compose.
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*
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* @return Charset name.
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*/
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NS_MSG_BASE const char *msgCompHeaderInternalCharset(void);
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/**
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* Return charset name of file system (OS dependent).
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*
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* @return File system charset name.
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*/
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NS_MSG_BASE const nsString& nsMsgI18NFileSystemCharset(void);
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/**
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* Return mail/news default send charset.
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*
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* @return Mail/news default charset for mail send.
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*/
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NS_MSG_BASE char * nsMsgI18NGetDefaultMailCharset(void);
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/**
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* Convert from unicode to target charset.
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*
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* @param charset [IN] Charset name.
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* @param inString [IN] Unicode string to convert.
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* @param outString [OUT] Converted output string.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult nsMsgI18NConvertFromUnicode(const nsCString& aCharset,
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const nsString& inString,
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nsCString& outString);
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/**
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* Convert from charset to unicode.
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*
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* @param charset [IN] Charset name.
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* @param inString [IN] Input string to convert.
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* @param outString [OUT] Output unicode string.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult nsMsgI18NConvertToUnicode(const nsCString& aCharset,
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const nsCString& inString,
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nsString& outString);
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/**
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* Convert from unicode to target charset.
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*
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* @param charset [IN] Charset name.
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* @param inString [IN] Unicode string to convert.
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* @param outCString [OUT] Output C string, need PR_FREE.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult ConvertFromUnicode(const nsString& aCharset,
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const nsString& inString,
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char** outCString);
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/**
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* Convert from charset to unicode.
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*
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* @param charset [IN] Charset name.
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* @param inCString [IN] C string to convert.
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* @param outString [OUT] Output unicode string.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult ConvertToUnicode(const nsString& aCharset,
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const char* inCString,
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nsString& outString);
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/**
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* If a header is MIME encoded then decode a header and sets a charset name.
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*
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* @param header [IN] A header to decode.
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* @param charset [IN/OUT] Input charset to be used for conversion when no charset available in the header.
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* Output charset to be set from the encoded charset name.
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* @param decodedString [OUT] Decoded unicode string.
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* @param eatContinuations [IN]
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult nsMsgI18NDecodeMimePartIIStr(const nsString& header, nsString& charset, nsString& decodedString, PRBool eatContinuations=PR_TRUE);
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/**
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* Parse for META charset.
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*
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* @param fileSpec [IN] A filespec.
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* @return A charset name or empty string if not found.
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*/
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NS_MSG_BASE const char *nsMsgI18NParseMetaCharset(nsFileSpec* fileSpec);
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/**
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* Convert input to HTML entities (e.g. , á).
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*
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* @param inString [IN] Input string to convert.
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* @param outString [OUT] Converted output string.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult nsMsgI18NConvertToEntity(const nsString& inString, nsString* outString);
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/**
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* Convert from charset to unicode. Also does substitution for unconverted characters (e.g. entity, '?').
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*
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* @param contentType [IN] text/plain or text/html.
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* @param charset [IN] Charset name to convert.
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* @param inString [IN] Input unicode string to convert.
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* @param outString [OUT] Allocated and converted output C string. Need PR_FREE.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult nsMsgI18NSaveAsCharset(const char* contentType, const char* charset, const PRUnichar* inString, char** outString);
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/**
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* Convert from unicode to charset, generates NNTP XPAT search string.
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* Migrated from mozilla classic,
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* see "http://lxr.mozilla.org/classic/source/include/libi18n.h#2162" for detail.
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*
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* @param aCharset [IN] Charset name to convert.
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* @param inString [IN] Input unicode string to convert.
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* @param outString [OUT] Converted output, the pattern should be send to NNTP XPAT command
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* for searching non-ASCII header.
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* @return nsresult.
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*/
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NS_MSG_BASE nsresult nsMsgI18NFormatNNTPXPATInNonRFC1522Format(const nsCString& aCharset, const nsString& inString, nsCString& outString);
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#endif /* _nsMsgI18N_H_ */
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