bug#7135: 24.0.50; Mac OS X X11: emacsclient cannot find server from remote login

[Bob Nnamtrop <bobnnamtrop@gmail.com>]

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When using daemon mode locally on my computer it works correctly.  However,
if I login (using ssh -Y) to a computer with an emacs daemon running
(started with emacs -Q --daemon) and use emacsclient to connect to it
emacsclient does not find the server.  I get the error:

emacsclient -n -c
emacsclient: can't find socket; have you started the server?
To start the server in Emacs, type "M-x server-start".
emacsclient: No socket or alternate editor.  Please use:

        --socket-name
        --server-file      (or environment variable EMACS_SERVER_FILE)
        --alternate-editor (or environment variable ALTERNATE_EDITOR)

I can get emacsclient to work if I use --server-file option after I have
located the server-file.  I have the following bash function which does this
automatically:

emc () { emacsclient -n -c --socket-name="$( (find /var/ -name server | grep
emacs8060) 2> /dev/null )"}

but emacclient should be able to find the socket on its own.  Note that this
was present in 23.1 and 23.2 as well.

Bob

In GNU Emacs 24.0.50.2 (i386-apple-darwin9.8.0, GTK+ Version 2.20.1)
 of 2010-09-29 on ***
Windowing system distributor `The X.Org Foundation', version 11.0.10802000
configured using `configure  '--prefix=/Users/name/local-emacs-bzr''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: nil
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

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