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bug#15803: default-file-name-coding-system: utf-8 better than latin-1 th
From: |
Glenn Morris |
Subject: |
bug#15803: default-file-name-coding-system: utf-8 better than latin-1 these days? |
Date: |
Mon, 04 Dec 2017 19:35:05 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Eli Zaretskii wrote:
> Perhaps on Posix systems, but not elsewhere.
I assume non-POSIX is newspeak for MS-Windows (native and DOS).
> And if we make the change, we should make sure building Emacs in a
> non-ASCII directory still works.
It works fine for me on G/L to have source, build, and install
directories be distinct non-ASCII directories. (Emacs works, that is,
but makeinfo 5.1 fails to find @include files in non-ASCII directories,
so I wonder how common such setups are.)
BTW, it feels very dated to me to have discussion of Windows 9X in the
Emacs manual section on file-name-coding.
diff --git i/doc/emacs/mule.texi w/doc/emacs/mule.texi
index 78f77cb..5fc44a6 100644
--- i/doc/emacs/mule.texi
+++ w/doc/emacs/mule.texi
@@ -1214,11 +1214,8 @@ system can encode.
If @code{file-name-coding-system} is @code{nil}, Emacs uses a
default coding system determined by the selected language environment,
-and stored in the @code{default-file-name-coding-system} variable.
-@c FIXME? Is this correct? What is the "default language environment"?
-In the default language environment, non-@acronym{ASCII} characters in
-file names are not encoded specially; they appear in the file system
-using the internal Emacs representation.
+and stored in the @code{default-file-name-coding-system} variable
+(normally UTF-8).
@cindex file-name encoding, MS-Windows
@vindex w32-unicode-filenames
diff --git i/lisp/international/mule-cmds.el w/lisp/international/mule-cmds.el
index 9d22d6e..192f0e9 100644
--- i/lisp/international/mule-cmds.el
+++ w/lisp/international/mule-cmds.el
@@ -1797,10 +1797,11 @@ The default status is as follows:
'raw-text)
(set-default-coding-systems nil)
- (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.
- (setq default-file-name-coding-system 'iso-latin-1-unix)
+ (setq default-sendmail-coding-system 'utf-8)
+ (setq default-file-name-coding-system (if (memq system-type
+ '(window-nt ms-dos))
+ 'iso-latin-1-unix
+ 'utf-8-unix))
;; Preserve eol-type from existing default-process-coding-systems.
;; On non-unix-like systems in particular, these may have been set
;; carefully by the user, or by the startup code, to deal with the
@@ -1816,8 +1817,10 @@ The default status is as follows:
(input-coding
(condition-case nil
(coding-system-change-text-conversion
- (cdr default-process-coding-system) 'iso-latin-1)
- (coding-system-error 'iso-latin-1))))
+ (cdr default-process-coding-system)
+ (if (memq system-type '(window-nt ms-dos)) 'iso-latin-1 'utf-8))
+ (coding-system-error
+ (if (memq system-type '(window-nt ms-dos)) 'iso-latin-1 'utf-8)))))
(setq default-process-coding-system
(cons output-coding input-coding)))
diff --git i/lisp/mail/sendmail.el w/lisp/mail/sendmail.el
index cd80211..36fbb7d 100644
--- i/lisp/mail/sendmail.el
+++ w/lisp/mail/sendmail.el
@@ -993,7 +993,7 @@ but lower priority than the local value of
`buffer-file-coding-system'.
See also the function `select-message-coding-system'.")
;;;###autoload
-(defvar default-sendmail-coding-system 'iso-latin-1
+(defvar default-sendmail-coding-system 'utf-8
"Default coding system for encoding the outgoing mail.
This variable is used only when `sendmail-coding-system' is nil.
diff --git i/lisp/mh-e/mh-comp.el w/lisp/mh-e/mh-comp.el
index 98067ce..25118cd 100644
--- i/lisp/mh-e/mh-comp.el
+++ w/lisp/mh-e/mh-comp.el
@@ -304,6 +304,7 @@ message and scan line."
(let ((draft-buffer (current-buffer))
(file-name buffer-file-name)
(config mh-previous-window-config)
+ ;; FIXME this is subtly different to select-message-coding-system.
(coding-system-for-write
(if (and (local-variable-p 'buffer-file-coding-system
(current-buffer)) ;XEmacs needs two args
@@ -315,7 +316,7 @@ message and scan line."
(or (and (boundp 'sendmail-coding-system) sendmail-coding-system)
(and (default-boundp 'buffer-file-coding-system)
(default-value 'buffer-file-coding-system))
- 'iso-latin-1))))
+ 'utf-8))))
;; Older versions of spost do not support -msgid and -mime.
(unless mh-send-uses-spost-flag
;; Adding a Message-ID field looks good, makes it easier to search for