cannot connect to X server

[Olivier Lecarme]

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Please write in English, because the Emacs maintainers do not have
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In GNU Emacs 21.1.1 (alphaev6-dec-osf4.0f, X toolkit)
 of 2001-10-22 on uranie.unice.fr
configured using `configure  --prefix=/usr/local/GNU/emacs-21.1 
--with-x-toolkit=athena --without-tiff'
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: fr_FR.ISO8859-1
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Same symptoms as in my previous message, but here the phenomenon is
more apparent. Here is the exact contents of an xterm window :

uranie(~/GNU/emacs-21.1/share/emacs/21.1/site-lisp)31: emacs21 site-start.el&
[1] 11236
uranie(~/GNU/emacs-21.1/share/emacs/21.1/site-lisp)32: emacs: Cannot connect to 
X server presto:0.0.
Check the DISPLAY environment variable or use `-d'.
Also use the `xhost' program to verify that it is set to permit
connections from your machine.


[1]  + 11236 exit 1     emacs21 site-start.el
uranie(~/GNU/emacs-21.1/share/emacs/21.1/site-lisp)32: vared DISPLAY
presto:0.0
uranie(~/GNU/emacs-21.1/share/emacs/21.1/site-lisp)33: xhost
access control enabled, only authorized clients can connect
INET:uranie.unice.fr
uranie(~/GNU/emacs-21.1/share/emacs/21.1/site-lisp)34: emacs21 site-start.el&
[1] 11243
uranie(~/GNU/emacs-21.1/share/emacs/21.1/site-lisp)35: 

Thus the same command, after a delay of a very few seconds and no
change in the environment, has a different behavior.


                        Olivier Lecarme