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bug#23814: 24.5; bug of hz coding-system
From: |
handa |
Subject: |
bug#23814: 24.5; bug of hz coding-system |
Date: |
Wed, 13 Jul 2016 23:12:47 +0900 |
In article <83d1mngirw.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
> Ping! Could you please comment on this issue?
Sorry, I've overlooked that mail.
> > > >> `encode-hz-region' uses `iso-2022-7bit' coding-system internally,
> > > >> replacing it with the coding-system below will work.
> > > >>
> > > >> (define-coding-system 'iso-2022-cn-gb
> > > >> "ISO 2022 based 7bit encoding only for Chinese GB2312."
> > > >> :coding-type 'iso-2022
> > > >> :mnemonic ?C
> > > >> :charset-list '(ascii chinese-gb2312)
> > > >> :designation [(ascii chinese-gb2312) nil nil nil]
> > > >> :flags '(ascii-at-eol ascii-at-cntl designation 7-bit safe)
> > > >> )
Right. But, as there are already so many iso-2022 based coding systems,
I'd like to avoid adding a new one just for encode-hz-region. I think
the attached patch is sufficent. Could you please try it? It also
fixes the problem of incorrect decoding of "~{7~~}".
---
K. Handa
handa@gnu.org
diff --git a/lisp/language/china-util.el b/lisp/language/china-util.el
index e531640..9735bd6 100644
--- a/lisp/language/china-util.el
+++ b/lisp/language/china-util.el
@@ -95,7 +95,9 @@ decode-hz-region
(goto-char (point-min))
(while (search-forward "~" nil t)
(setq ch (following-char))
- (if (or (= ch ?\n) (= ch ?~)) (delete-char -1)))
+ (if (= ch ?{)
+ (search-forward "~}" nil 'move)
+ (if (or (= ch ?\n) (= ch ?~)) (delete-char -1))))
;; "^zW...\n" -> Chinese GB2312
;; "~{...~}" -> Chinese GB2312
@@ -141,7 +143,7 @@ encode-hz-region
(save-excursion
(save-restriction
(narrow-to-region beg end)
-
+ (put-text-property beg end 'charset 'chinese-gb2312)
;; "~" -> "~~"
(goto-char (point-min))
(while (search-forward "~" nil t) (insert ?~))