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author | Paul Eggert <eggert@cs.ucla.edu> | 2014-12-29 12:37:53 -0800 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2014-12-29 12:38:58 -0800 |
commit | f9acac751d4cd22480e62cc63936b1208ca9fe48 (patch) | |
tree | 49f37d577e63a00042dc990ec92651d19be8870a /doc/lispref | |
parent | ce1ebdf1ba8acc75e8f959f414652cdc87e76401 (diff) | |
download | emacs-f9acac751d4cd22480e62cc63936b1208ca9fe48.tar.gz |
system-name's returned value can vary
Also, the system-name variable is now obsolete.
Fixes Bug#19438.
* doc/lispref/os.texi (System Environment):
* etc/NEWS: Document this.
* doc/misc/efaq.texi:
(Displaying the current file name in the titlebar):
* lisp/desktop.el (desktop-save-frameset):
* lisp/dnd.el (dnd-get-local-file-uri):
* lisp/gnus/message.el (message-make-fqdn):
* lisp/gnus/nnvirtual.el (nnvirtual-retrieve-headers)
(nnvirtual-update-xref-header):
* lisp/nxml/rng-uri.el (rng-uri-file-name-1):
* lisp/org/org-clock.el (org-clock-save):
* src/filelock.c (current_lock_owner):
* src/xrdb.c (get_environ_db):
* src/xterm.c (same_x_server):
* src/xterm.c (x_term_init):
Prefer (system-name) to system-name, and avoid naming
locals 'system-name'.
* doc/misc/smtpmail.texi (Server workarounds): Fix grammar.
* lisp/startup.el (system-name): Now an obsolete variable.
* src/editfns.c (cached_system_name): New static var.
(init_and_cache_system_name): New function.
(init_editfns, Fsystem_name): Use it.
(syms_of_editfns): Initialize it and Vsystem_name to the same value.
* src/sysdep.c [HAVE_SOCKETS]: Don't include <sys/socket.h>, <netdb.h>.
(h_errno) [TRY_AGAIN && !HAVE_H_ERRNO]: Remove decl.
(init_system_name) [HAVE_SOCKETS]: Don't canonicalize the name.
Don't create a new string if the current value is already correct.
Diffstat (limited to 'doc/lispref')
-rw-r--r-- | doc/lispref/os.texi | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/doc/lispref/os.texi b/doc/lispref/os.texi index 1a6a031d013..1300bc70d9a 100644 --- a/doc/lispref/os.texi +++ b/doc/lispref/os.texi @@ -918,10 +918,15 @@ string. @end defun The symbol @code{system-name} is a variable as well as a function. In -fact, the function returns whatever value the variable +fact, the function normally returns whatever value the variable @code{system-name} currently holds. Thus, you can set the variable @code{system-name} in case Emacs is confused about the name of your -system. The variable is also useful for constructing frame titles +system. If you do not set the variable, the function updates +the variable to the current system name; this behavior can be useful +if your Emacs process has changed systems or if the system has changed +names. + +The @code{system-name} variable is also useful for constructing frame titles (@pxref{Frame Titles}). @c FIXME seems like this section is not the best place for this option? |