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-rw-r--r--lisp/international/mule-cmds.el63
1 files changed, 24 insertions, 39 deletions
diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index aeba954a3b2..f737869eef8 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -136,8 +136,7 @@
(expand-file-name "HELLO" data-directory))
:help "Demonstrate various character sets"))
(bindings--define-key map [set-various-coding-system]
- `(menu-item "Set Coding Systems" ,set-coding-system-map
- :enable (default-value 'enable-multibyte-characters)))
+ `(menu-item "Set Coding Systems" ,set-coding-system-map))
(bindings--define-key map [separator-input-method] menu-bar-separator)
(bindings--define-key map [describe-input-method]
@@ -355,8 +354,7 @@ This also sets the following values:
(if (eq system-type 'darwin)
;; The file-name coding system on Darwin systems is always utf-8.
(setq default-file-name-coding-system 'utf-8-unix)
- (if (and (default-value 'enable-multibyte-characters)
- (or (not coding-system)
+ (if (and (or (not coding-system)
(coding-system-get coding-system 'ascii-compatible-p)))
(setq default-file-name-coding-system
(coding-system-change-eol-conversion coding-system 'unix))))
@@ -1158,10 +1156,7 @@ see `language-info-alist'."
((eq key 'nonascii-translation)
(set-language-environment-nonascii-translation lang-env))
((eq key 'charset)
- (set-language-environment-charset lang-env))
- ((and (not (default-value 'enable-multibyte-characters))
- (or (eq key 'unibyte-syntax) (eq key 'unibyte-display)))
- (set-language-environment-unibyte lang-env)))))
+ (set-language-environment-charset lang-env)))))
(defun set-language-info-internal (lang-env key info)
"Internal use only.
@@ -1800,6 +1795,9 @@ The default status is as follows:
(setq default-sendmail-coding-system 'iso-latin-1)
;; On Darwin systems, this should be utf-8-unix, but when this file is loaded
;; that is not yet defined, so we set it in set-locale-environment instead.
+ ;; [Actually, it seems to work fine to use utf-8-unix here, and not just
+ ;; on Darwin. The previous comment seems to be outdated?
+ ;; See patch at https://debbugs.gnu.org/15803 ]
(setq default-file-name-coding-system 'iso-latin-1-unix)
;; Preserve eol-type from existing default-process-coding-systems.
;; On non-unix-like systems in particular, these may have been set
@@ -1897,9 +1895,6 @@ the new language environment, it runs `set-language-environment-hook'."
(set-language-environment-input-method language-name)
(set-language-environment-nonascii-translation language-name)
(set-language-environment-charset language-name)
- ;; Unibyte setups if necessary.
- (unless (default-value 'enable-multibyte-characters)
- (set-language-environment-unibyte language-name))
(let ((func (get-language-info language-name 'setup-function)))
(if (functionp func)
@@ -1978,28 +1973,22 @@ See `set-language-info-alist' for use in programs."
(defun standard-display-european-internal ()
;; Actually set up direct output of non-ASCII characters.
(standard-display-8bit (if (eq window-system 'pc) 128 160) 255)
- ;; Unibyte Emacs on MS-DOS wants to display all 8-bit characters with
- ;; the native font, and codes 160 and 146 stand for something very
- ;; different there.
- (or (and (eq window-system 'pc) (not (default-value
- 'enable-multibyte-characters)))
- (progn
- ;; Most X fonts used to do the wrong thing for latin-1 code 160.
- (unless (and (eq window-system 'x)
- ;; XFree86 4 has fixed the fonts.
- (string= "The XFree86 Project, Inc" (x-server-vendor))
- (> (aref (number-to-string (nth 2 (x-server-version))) 0)
- ?3))
- ;; Make non-line-break space display as a plain space.
- (aset standard-display-table (unibyte-char-to-multibyte 160) [32]))
- ;; Most Windows programs send out apostrophes as \222. Most X fonts
- ;; don't contain a character at that position. Map it to the ASCII
- ;; apostrophe. [This is actually RIGHT SINGLE QUOTATION MARK,
- ;; U+2019, normally from the windows-1252 character set. XFree 4
- ;; fonts probably have the appropriate glyph at this position,
- ;; so they could use standard-display-8bit. It's better to use a
- ;; proper windows-1252 coding system. --fx]
- (aset standard-display-table (unibyte-char-to-multibyte 146) [39]))))
+ ;; Most X fonts used to do the wrong thing for latin-1 code 160.
+ (unless (and (eq window-system 'x)
+ ;; XFree86 4 has fixed the fonts.
+ (string= "The XFree86 Project, Inc" (x-server-vendor))
+ (> (aref (number-to-string (nth 2 (x-server-version))) 0)
+ ?3))
+ ;; Make non-line-break space display as a plain space.
+ (aset standard-display-table (unibyte-char-to-multibyte 160) [32]))
+ ;; Most Windows programs send out apostrophes as \222. Most X fonts
+ ;; don't contain a character at that position. Map it to the ASCII
+ ;; apostrophe. [This is actually RIGHT SINGLE QUOTATION MARK,
+ ;; U+2019, normally from the windows-1252 character set. XFree 4
+ ;; fonts probably have the appropriate glyph at this position,
+ ;; so they could use standard-display-8bit. It's better to use a
+ ;; proper windows-1252 coding system. --fx]
+ (aset standard-display-table (unibyte-char-to-multibyte 146) [39]))
(defun set-language-environment-coding-systems (language-name)
"Do various coding system setups for language environment LANGUAGE-NAME."
@@ -2665,12 +2654,8 @@ See also `locale-charset-language-names', `locale-language-names',
(unless frame
(set-language-environment language-name))
- ;; If the default enable-multibyte-characters is nil,
- ;; we are using single-byte characters,
- ;; so the display table and terminal coding system are irrelevant.
- (when (default-value 'enable-multibyte-characters)
- (set-display-table-and-terminal-coding-system
- language-name coding-system frame))
+ (set-display-table-and-terminal-coding-system
+ language-name coding-system frame)
;; Set the `keyboard-coding-system' if appropriate (tty
;; only). At least X and MS Windows can generate