Commit e0550cae authored by Glenn Morris's avatar Glenn Morris
Browse files

* doc/emacs/mule.texi (Language Environments): Copyedits.

parent 8edb942b
...@@ -6,6 +6,8 @@ ...@@ -6,6 +6,8 @@
Clarify what "unibyte: t" does, and mode-line description. Clarify what "unibyte: t" does, and mode-line description.
(Unibyte Mode): Update for "Disabling Multibyte" node name change. (Unibyte Mode): Update for "Disabling Multibyte" node name change.
Use Texinfo recommended convention for quotes+punctuation. Use Texinfo recommended convention for quotes+punctuation.
(Language Environments): Copyedits.
* custom.texi (Specifying File Variables): Fix "unibyte" description. * custom.texi (Specifying File Variables): Fix "unibyte" description.
Update for "Disabling Multibyte" node name change. Update for "Disabling Multibyte" node name change.
* emacs.texi: Update for "Disabling Multibyte" node name change. * emacs.texi: Update for "Disabling Multibyte" node name change.
......
...@@ -326,8 +326,8 @@ command @code{toggle-enable-multibyte-characters} in that buffer. ...@@ -326,8 +326,8 @@ command @code{toggle-enable-multibyte-characters} in that buffer.
All supported character sets are supported in Emacs buffers whenever All supported character sets are supported in Emacs buffers whenever
multibyte characters are enabled; there is no need to select a multibyte characters are enabled; there is no need to select a
particular language in order to display its characters in an Emacs particular language in order to display its characters.
buffer. However, it is important to select a @dfn{language However, it is important to select a @dfn{language
environment} in order to set various defaults. Roughly speaking, the environment} in order to set various defaults. Roughly speaking, the
language environment represents a choice of preferred script rather language environment represents a choice of preferred script rather
than a choice of language. than a choice of language.
...@@ -344,7 +344,8 @@ language environment also specifies a default input method. ...@@ -344,7 +344,8 @@ language environment also specifies a default input method.
@code{current-language-environment} or use the command @kbd{M-x @code{current-language-environment} or use the command @kbd{M-x
set-language-environment}. It makes no difference which buffer is set-language-environment}. It makes no difference which buffer is
current when you use this command, because the effects apply globally current when you use this command, because the effects apply globally
to the Emacs session. The supported language environments include: to the Emacs session. The supported language environments
(see the variable @code{language-info-alist}) include:
@cindex Euro sign @cindex Euro sign
@cindex UTF-8 @cindex UTF-8
...@@ -368,11 +369,15 @@ which prefers Cyrillic characters and files encoded in Windows-1255). ...@@ -368,11 +369,15 @@ which prefers Cyrillic characters and files encoded in Windows-1255).
@cindex Intlfonts package, installation @cindex Intlfonts package, installation
To display the script(s) used by your language environment on a To display the script(s) used by your language environment on a
graphical display, you need to have a suitable font. If some of the graphical display, you need to have a suitable font. If some of the
characters appear as empty boxes or hex codes, you should install the characters appear as empty boxes or hex codes, you should install
extra fonts. Your operating system may have optional fonts that
you can install; or you can install the
GNU Intlfonts package, which includes fonts for most supported GNU Intlfonts package, which includes fonts for most supported
scripts.@footnote{If you run Emacs on X, you need to inform the X scripts.@footnote{If you run Emacs on X, you may need to inform the X
server about the location of the newly installed fonts with the server about the location of the newly installed fonts with
following commands: commands such as:
@c FIXME? I feel like this may be out of date.
@c Eg the intlfonts tarfile is ~ 10 years old.
@example @example
xset fp+ /usr/local/share/emacs/fonts xset fp+ /usr/local/share/emacs/fonts
...@@ -387,22 +392,25 @@ following commands: ...@@ -387,22 +392,25 @@ following commands:
@cindex locales @cindex locales
Some operating systems let you specify the character-set locale you Some operating systems let you specify the character-set locale you
are using by setting the locale environment variables @env{LC_ALL}, are using by setting the locale environment variables @env{LC_ALL},
@env{LC_CTYPE}, or @env{LANG}.@footnote{If more than one of these is @env{LC_CTYPE}, or @env{LANG}. (If more than one of these is
set, the first one that is nonempty specifies your locale for this set, the first one that is nonempty specifies your locale for this
purpose.} During startup, Emacs looks up your character-set locale's purpose.) During startup, Emacs looks up your character-set locale's
name in the system locale alias table, matches its canonical name name in the system locale alias table, matches its canonical name
against entries in the value of the variables against entries in the value of the variables
@code{locale-charset-language-names} and @code{locale-language-names}, @code{locale-charset-language-names} and @code{locale-language-names}
(the former overrides the latter),
and selects the corresponding language environment if a match is found. and selects the corresponding language environment if a match is found.
(The former variable overrides the latter.) It also adjusts the display It also adjusts the display
table and terminal coding system, the locale coding system, the table and terminal coding system, the locale coding system, the
preferred coding system as needed for the locale, and---last but not preferred coding system as needed for the locale, and---last but not
least---the way Emacs decodes non-@acronym{ASCII} characters sent by your keyboard. least---the way Emacs decodes non-@acronym{ASCII} characters sent by your keyboard.
@c This seems unlikely, doesn't it?
If you modify the @env{LC_ALL}, @env{LC_CTYPE}, or @env{LANG} If you modify the @env{LC_ALL}, @env{LC_CTYPE}, or @env{LANG}
environment variables while running Emacs, you may want to invoke the environment variables while running Emacs (by using @kbd{M-x setenv}),
@code{set-locale-environment} function afterwards to readjust the you may want to invoke the @code{set-locale-environment}
language environment from the new locale. function afterwards to readjust the language environment from the new
locale.
@vindex locale-preferred-coding-systems @vindex locale-preferred-coding-systems
The @code{set-locale-environment} function normally uses the preferred The @code{set-locale-environment} function normally uses the preferred
...@@ -438,7 +446,7 @@ this command describes the chosen language environment. ...@@ -438,7 +446,7 @@ this command describes the chosen language environment.
language environment. The hook functions can test for a specific language environment. The hook functions can test for a specific
language environment by checking the variable language environment by checking the variable
@code{current-language-environment}. This hook is where you should @code{current-language-environment}. This hook is where you should
put non-default settings for specific language environment, such as put non-default settings for specific language environments, such as
coding systems for keyboard input and terminal output, the default coding systems for keyboard input and terminal output, the default
input method, etc. input method, etc.
......
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