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emacs/admin/charsets/cp51932.awk
Paul Eggert c7bc28bf03 Don’t attempt to modify constant conses
From a patch privately suggested by Mattias Engdegård on 2020-05-11
in a followup to Bug#40671.
* admin/charsets/cp51932.awk:
* admin/charsets/eucjp-ms.awk:
Generate code that does not modify constant conses.
* doc/misc/emacs-mime.texi (Encoding Customization):
* lisp/emacs-lisp/byte-opt.el (byte-compile-side-effect-free-ops):
* lisp/frameset.el (frameset-persistent-filter-alist):
* lisp/gnus/gnus-sum.el (gnus-article-mode-line-format-alist):
Use append instead of nconc.
* lisp/language/japanese.el (japanese-ucs-cp932-to-jis-map)
(jisx0213-to-unicode):
Use mapcar instead of mapc.
* lisp/language/lao-util.el (lao-transcription-consonant-alist)
(lao-transcription-vowel-alist):
* lisp/language/tibetan.el (tibetan-subjoined-transcription-alist):
Use copy-sequence.
* test/src/fns-tests.el (fns-tests-nreverse):
(fns-tests-sort, fns-tests-collate-sort)
(fns-tests-string-version-lessp, fns-tests-mapcan):
Use copy-sequence, vector, and list.
2020-05-16 17:05:37 -07:00

58 lines
2 KiB
Awk

# cp51932.awk -- Generate a translation table for CP51932.
# Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
# National Institute of Advanced Industrial Science and Technology (AIST)
# Registration Number H13PRO009
# This file is part of GNU Emacs.
# GNU Emacs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# GNU Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
# Commentary:
# Generate a translation table for CP51932 (EUC-JP of MicroSoft Version).
# It maps invalid JISX0208 code points used by CP51932 to Unicode.
# 4th field of the input has these meanings:
# 0: JISX0208 characters.
# 1: NEC special characters.
# 2: IBM extension characters.
# 3: NEC selection of IBM extension characters.
# Among them, 1 and 3 are the target characters. 2 should have
# already been mapped to 1 or 3.
BEGIN {
print ";;; cp51932.el -- translation table for CP51932";
print ";;; Automatically generated from CP932-2BYTE.map";
print "(let ((map";
printf " '(;JISEXT<->UNICODE";
}
/# [13]/ {
printf "\n (#x%s . #x%s)", $5 ,substr($2, 3, 4);
}
END {
print ")))";
print " (setq map (mapcar (lambda (x)";
print " (cons (decode-char 'japanese-jisx0208 (car x))";
print " (cdr x)))";
print " map))";
print " (define-translation-table 'cp51932-decode map)";
print " (mapc (lambda (x)";
print " (let ((tmp (car x)))";
print " (setcar x (cdr x)) (setcdr x tmp)))";
print " map)";
print " (define-translation-table 'cp51932-encode map))";
print "";
print "(provide 'cp51932)";
}