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275 lines
9.0 KiB
EmacsLisp
275 lines
9.0 KiB
EmacsLisp
;;; cyrillic.el --- support for Cyrillic -*- coding: utf-8; -*-
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;; Copyright (C) 1997-1998, 2001-2016 Free Software Foundation, Inc.
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;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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;; 2005, 2006, 2007, 2008, 2009, 2010, 2011
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H14PRO021
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;; Copyright (C) 2003
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;; National Institute of Advanced Industrial Science and Technology (AIST)
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;; Registration Number H13PRO009
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;; Author: Kenichi Handa <handa@etl.go.jp>
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;; Keywords: multilingual, Cyrillic, i18n
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; The character set ISO8859-5 is supported. KOI-8 and ALTERNATIVNYJ
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;; are converted to Unicode internally. See
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;; <URL:http://www.ecma.ch/ecma1/STAND/ECMA-113.HTM>. For more info
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;; on Cyrillic charsets, see
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;; <URL:http://czyborra.com/charsets/cyrillic.html>. The KOI and
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;; Alternativnyj coding systems should live in code-pages.el, but
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;; they've always been preloaded and the coding system autoload
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;; mechanism didn't get accepted, so they have to stay here and
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;; duplicate code-pages stuff.
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;; Note that 8859-5 maps directly onto the Unicode Cyrillic block,
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;; apart from codepoints 160 (NBSP, c.f. U+0400), 173 (soft hyphen,
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;; c.f. U+04OD) and 253 (section sign, c.f U+045D). The KOI-8 and
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;; Alternativnyj coding systems encode both 8859-5 and Unicode.
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;; ucs-tables.el provides unification for cyrillic-iso-8bit.
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;; Customizing `utf-fragment-on-decoding' allows decoding characters
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;; from KOI and Alternativnyj into 8859-5 where that's possible.
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;; cyrillic-iso8859-5 characters take half as much space in the buffer
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;; as the mule-unicode-0100-24ff equivalents, though that's probably
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;; not normally a big deal.
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;;; Code:
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;; Cyrillic (general)
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;; ISO-8859-5 stuff
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(define-coding-system 'cyrillic-iso-8bit
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"ISO 2022 based 8-bit encoding for Cyrillic script (MIME:ISO-8859-5)."
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:coding-type 'charset
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:mnemonic ?5
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:charset-list '(iso-8859-5)
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:mime-charset 'iso-8859-5)
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(define-coding-system-alias 'iso-8859-5 'cyrillic-iso-8bit)
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(set-language-info-alist
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"Cyrillic-ISO" '((charset iso-8859-5)
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(coding-system cyrillic-iso-8bit)
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(coding-priority cyrillic-iso-8bit)
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(input-method . "cyrillic-yawerty") ; fixme
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(nonascii-translation . iso-8859-5)
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(unibyte-display . cyrillic-iso-8bit)
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(features cyril-util)
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(sample-text . "Russian (Русский) Здравствуйте!")
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(documentation . "Support for Cyrillic ISO-8859-5."))
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'("Cyrillic"))
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;; KOI-8R stuff
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(define-coding-system 'cyrillic-koi8
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"KOI8 8-bit encoding for Cyrillic (MIME: KOI8-R)."
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:coding-type 'charset
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;; We used to use ?K. It is true that ?K is more strictly correct,
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;; but it is also used for Korean. So people who use koi8 for
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;; languages other than Russian will have to forgive us.
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:mnemonic ?R
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:charset-list '(koi8)
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:mime-charset 'koi8-r)
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(define-coding-system-alias 'koi8-r 'cyrillic-koi8)
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(define-coding-system-alias 'koi8 'cyrillic-koi8)
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(define-coding-system-alias 'cp878 'cyrillic-koi8)
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(set-language-info-alist
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"Cyrillic-KOI8" `((charset koi8)
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(coding-system cyrillic-koi8)
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(coding-priority cyrillic-koi8 cyrillic-iso-8bit)
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(ctext-non-standard-encodings "koi8-r")
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(nonascii-translation . koi8)
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(input-method . "russian-typewriter")
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(features cyril-util)
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(unibyte-display . cyrillic-koi8)
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(sample-text . "Russian (Русский) Здравствуйте!")
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(documentation . "Support for Cyrillic KOI8-R."))
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'("Cyrillic"))
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(set-language-info-alist
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"Russian" `((charset cyrillic-iso8859-5)
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(nonascii-translation
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. ,(get 'cyrillic-koi8-r-nonascii-translation-table
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'translation-table))
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(coding-system cyrillic-koi8)
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(coding-priority cyrillic-koi8 cyrillic-iso-8bit)
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(input-method . "russian-computer")
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(features cyril-util)
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(unibyte-display . cyrillic-koi8)
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(sample-text . "Russian (Русский) Здравствуйте!")
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(documentation . "\
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Support for Russian using koi8-r and the russian-computer input method.")
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(tutorial . "TUTORIAL.ru"))
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'("Cyrillic"))
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(define-coding-system 'koi8-u
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"KOI8-U 8-bit encoding for Cyrillic (MIME: KOI8-U)"
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:coding-type 'charset
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:mnemonic ?U
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:charset-list '(koi8-u)
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:mime-charset 'koi8-u)
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(set-language-info-alist
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"Ukrainian" `((charset koi8-u)
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(coding-system koi8-u)
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(coding-priority koi8-u)
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(nonascii-translation . koi8-u)
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(input-method . "ukrainian-computer")
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(documentation
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. "Support for Ukrainian with KOI8-U character set."))
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'("Cyrillic"))
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;;; ALTERNATIVNYJ stuff
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(define-coding-system 'cyrillic-alternativnyj
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"ALTERNATIVNYJ 8-bit encoding for Cyrillic."
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:coding-type 'charset
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:mnemonic ?A
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:charset-list '(alternativnyj))
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(define-coding-system-alias 'alternativnyj 'cyrillic-alternativnyj)
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(set-language-info-alist
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"Cyrillic-ALT" `((charset alternativnyj)
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(coding-system cyrillic-alternativnyj)
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(coding-priority cyrillic-alternativnyj)
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(nonascii-translation . alternativnyj)
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(input-method . "russian-typewriter")
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(features cyril-util)
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(unibyte-display . cyrillic-alternativnyj)
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(sample-text . "Russian (Русский) Здравствуйте!")
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(documentation . "Support for Cyrillic ALTERNATIVNYJ."))
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'("Cyrillic"))
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(define-coding-system 'cp866
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"CP866 encoding for Cyrillic."
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:coding-type 'charset
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:mnemonic ?*
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:charset-list '(ibm866)
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:mime-charset 'cp866)
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(define-coding-system 'koi8-u
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"KOI8-U 8-bit encoding for Cyrillic (MIME: KOI8-U)"
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:coding-type 'charset
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:mnemonic ?U
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:charset-list '(koi8-u)
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:mime-charset 'koi8-u)
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(define-coding-system 'koi8-t
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"KOI8-T 8-bit encoding for Cyrillic"
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:coding-type 'charset
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:mnemonic ?*
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:charset-list '(koi8-t)
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:mime-charset 'koi8-t)
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(define-coding-system 'windows-1251
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"windows-1251 8-bit encoding for Cyrillic (MIME: WINDOWS-1251)"
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:coding-type 'charset
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:mnemonic ?b
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:charset-list '(windows-1251)
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:mime-charset 'windows-1251)
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(define-coding-system-alias 'cp1251 'windows-1251)
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(define-coding-system 'cp1125
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"cp1125 8-bit encoding for Cyrillic"
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:coding-type 'charset
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:mnemonic ?*
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:charset-list '(cp1125))
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(define-coding-system-alias 'ruscii 'cp1125)
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;; Original name for cp1125, says Serhii Hlodin <hlodin@lutsk.bank.gov.ua>
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(define-coding-system-alias 'cp866u 'cp1125)
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(define-coding-system 'cp855
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"DOS codepage 855 (Russian)"
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:coding-type 'charset
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:mnemonic ?D
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:charset-list '(cp855)
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:mime-charset 'cp855)
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(define-coding-system-alias 'ibm855 'cp855)
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(define-coding-system 'mik
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"Bulgarian DOS codepage"
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:coding-type 'charset
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:mnemonic ?D
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:charset-list '(mik))
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(define-coding-system 'pt154
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"ParaType Asian Cyrillic codepage"
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:coding-type 'charset
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:mnemonic ?D
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:charset-list '(pt154))
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;; (set-language-info-alist
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;; "Windows-1251" `((coding-system windows-1251)
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;; (coding-priority windows-1251)
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;; (input-method . "russian-typewriter") ; fixme?
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;; (features code-pages)
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;; (documentation . "Support for windows-1251 character set."))
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;; '("Cyrillic"))
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(set-language-info-alist
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"Tajik" `((coding-system koi8-t)
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(coding-priority koi8-t)
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(nonascii-translation . cyrillic-koi8-t)
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(charset koi8-t)
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(input-method . "russian-typewriter") ; fixme?
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(features code-pages)
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(documentation . "Support for Tajik using KOI8-T."))
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'("Cyrillic"))
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(set-language-info-alist
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"Bulgarian" `((coding-system windows-1251)
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(coding-priority windows-1251)
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(nonascii-translation . windows-1251)
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(charset windows-1251)
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(ctext-non-standard-encodings "microsoft-cp1251")
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(input-method . "bulgarian-bds")
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(documentation
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. "Support for Bulgarian with windows-1251 character set."))
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'("Cyrillic"))
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(set-language-info-alist
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"Belarusian" `((coding-system windows-1251)
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(coding-priority windows-1251)
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(nonascii-translation . windows-1251)
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(charset windows-1251)
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(ctext-non-standard-encodings "microsoft-cp1251")
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(input-method . "belarusian")
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(documentation
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. "Support for Belarusian with windows-1251 character set.
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\(The name Belarusian replaced Byelorussian in the early 1990s.)"))
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'("Cyrillic"))
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(set-language-info-alist
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"Ukrainian" `((coding-system koi8-u)
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(coding-priority koi8-u)
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(input-method . "ukrainian-computer")
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(documentation
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. "Support for Ukrainian with koi8-u character set."))
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'("Cyrillic"))
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(provide 'cyrillic)
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;;; cyrillic.el ends here
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