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master 077c34edfe8: Drop duplicate vietnamese-tcvn coding system
From: |
Ulrich Müller |
Subject: |
master 077c34edfe8: Drop duplicate vietnamese-tcvn coding system |
Date: |
Mon, 31 Jul 2023 13:04:15 -0400 (EDT) |
branch: master
commit 077c34edfe8f8a826dcb85e5c7036e6bbbef7ff2
Author: Ulrich Müller <ulm@gentoo.org>
Commit: Ulrich Müller <ulm@gentoo.org>
Drop duplicate vietnamese-tcvn coding system
* lisp/language/vietnamese.el (vietnamese-vscii): Update docstring.
(vietnamese-tcvn, tcvn, tcvn-5712): Make them aliases of
vietnamese-vscii.
("Vietnamese"): Drop vietnamese-tcvn from coding-system values.
Update docstring.
* etc/NEWS: Announce this change.
---
etc/NEWS | 9 +++++++++
lisp/language/vietnamese.el | 32 +++++++++++++-------------------
2 files changed, 22 insertions(+), 19 deletions(-)
diff --git a/etc/NEWS b/etc/NEWS
index 39b4a35930a..7b521f3e6fe 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -665,6 +665,15 @@ previous behavior of showing 'U' in the mode line for
'koi8-u':
(coding-system-put 'koi8-u :mnemonic ?U)
+---
+** 'vietnamese-tcvn' is now a coding system alias for 'vietnamese-vscii'.
+VSCII-1 and TCVN-5712 are different names for the same character
+encoding. Therefore, the duplicate coding system definition has been
+dropped in favor of an alias.
+
+The mode-line mnemonic for 'vietnamese-vscii' and its aliases is the
+lowercase letter 'v'.
+
+++
** Infinities and NaNs no longer act as symbols on non-IEEE platforms.
On old platforms like the VAX that do not support IEEE floating-point,
diff --git a/lisp/language/vietnamese.el b/lisp/language/vietnamese.el
index bd0b3c5ae3e..e439a2c3851 100644
--- a/lisp/language/vietnamese.el
+++ b/lisp/language/vietnamese.el
@@ -28,8 +28,8 @@
;;; Commentary:
-;; For Vietnamese, the character sets VISCII, VSCII and TCVN-5712 are
-;; supported.
+;; For Vietnamese, the coding systems VISCII, VSCII-1 (TCVN-5712),
+;; VIQR and windows-1258 are supported.
;;; Code:
@@ -44,13 +44,16 @@
(define-coding-system-alias 'viscii 'vietnamese-viscii)
(define-coding-system 'vietnamese-vscii
- "8-bit encoding for Vietnamese VSCII-1."
+ "8-bit encoding for Vietnamese VSCII-1 (TCVN-5712)."
:coding-type 'charset
:mnemonic ?v
:charset-list '(vscii)
:suitable-for-file-name t)
(define-coding-system-alias 'vscii 'vietnamese-vscii)
+(define-coding-system-alias 'vietnamese-tcvn 'vietnamese-vscii)
+(define-coding-system-alias 'tcvn 'vietnamese-vscii)
+(define-coding-system-alias 'tcvn-5712 'vietnamese-vscii)
;; (make-coding-system
;; 'vietnamese-vps 4 ?p
@@ -74,7 +77,7 @@
(set-language-info-alist
"Vietnamese" '((charset viscii)
(coding-system vietnamese-viscii vietnamese-vscii
- vietnamese-tcvn vietnamese-viqr windows-1258)
+ vietnamese-viqr windows-1258)
(nonascii-translation . viscii)
(coding-priority vietnamese-viscii)
(input-method . "vietnamese-viqr")
@@ -83,12 +86,12 @@
(sample-text . "Vietnamese (Tiếng Việt) Chào bạn")
(documentation . "\
For Vietnamese, Emacs uses special charsets internally.
-They can be decoded from and encoded to VISCII, VSCII, TCVN-5712, VIQR
-and windows-1258. VSCII is deprecated in favor of TCVN-5712. The
-Current setting gives higher priority to the coding system VISCII than
-TCVN-5712. If you prefer TCVN-5712, please do: (prefer-coding-system
-'vietnamese-tcvn). There are two Vietnamese input methods: VIQR and
-Telex, VIQR is the default setting.")))
+They can be decoded from and encoded to VISCII, VSCII-1 (TCVN-5712),
+VIQR and windows-1258. The current setting gives higher priority
+to the coding system VISCII than VSCII-1. If you prefer VSCII-1,
+please do: (prefer-coding-system 'vietnamese-vscii). There are
+two Vietnamese input methods: VIQR and Telex, VIQR is the default
+setting.")))
(define-coding-system 'windows-1258
"windows-1258 encoding for Vietnamese (MIME: WINDOWS-1258)"
@@ -98,15 +101,6 @@ Telex, VIQR is the default setting.")))
:mime-charset 'windows-1258)
(define-coding-system-alias 'cp1258 'windows-1258)
-(define-coding-system 'vietnamese-tcvn
- "8-bit encoding for Vietnamese TCVN-5712"
- :coding-type 'charset
- :mnemonic ?t
- :charset-list '(tcvn-5712)
- :suitable-for-file-name t)
-(define-coding-system-alias 'tcvn 'vietnamese-tcvn)
-(define-coding-system-alias 'tcvn-5712 'vietnamese-tcvn)
-
(provide 'vietnamese)
;;; vietnamese.el ends here
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