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[wirespot <390508@xxxxxxxxxxxxxxxxxx>]

Allow me to clarify the situation.

In the Desktop Notification Specification there is nothing to suggest that the expire_timeout parameter is optional.
https://developer.gnome.org/notification-spec/#commands

The devs for gnome-shell and notifyOSD have taken it upon themselves to
silently(!) ignore the parameter in their server implementation. There
is a comment in the code for gnome-shell that states this, but IMHO that
is not the right way to deal with this.

I can see two logical solutions:

1) Fix gnome-shell and notifyOSD to conform to the spec. ie. stop
ignoring the expire_timeout parameter. This implies modifications to the
code (see aforementioned patch) and no modification to the spec.

2) Change the spec to explicitly advertise support for expiration
timeout via a server capability eg. if "expire-timeout" does not appear
in the list returned by org.freedesktop.Notifications.GetCapabilities()
then the client will _know_ that the expire_timeout parameter will be
ignored because the server does not support it. This solution would
imply no modifications to the code for gnome-shell/notifyOSD (they will
not have expire-timeout published in capabilities, therefore ignoring
the expire_timeout parameter becomes perfectly logical and expected.) It
will however require changes to the spec and probably to various other
client and server implementations.

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https://bugs.launchpad.net/bugs/390508

Title:
  notifyOSD ignores the expire timeout parameter

Status in One Hundred Papercuts:
  Invalid
Status in Message Web:
  New
Status in Notify OSD:
  Won't Fix
Status in “notify-osd” package in Ubuntu:
  Won't Fix

Bug description:
  Binary package hint: libnotify-bin

  adyroman@panther:~/libnotify-0.4.5/tools$ lsb_release -rd
  Description:	Ubuntu 9.04
  Release:	9.04
  adyroman@panther:~/libnotify-0.4.5/tools$ 

  adyroman@panther:~/libnotify-0.4.5/tools$ apt-cache policy libnotify-bin
  libnotify-bin:
    Installed: 0.4.5-0ubuntu1
    Candidate: 0.4.5-0ubuntu1
    Version table:
   *** 0.4.5-0ubuntu1 0
          500 http://ro.archive.ubuntu.com jaunty/universe Packages
          100 /var/lib/dpkg/status
  adyroman@panther:~/libnotify-0.4.5/tools$ 

  adyroman@panther:~/libnotify-0.4.5/tools$ cat notify-send.c | grep expire_timeout
  	static glong expire_timeout = NOTIFY_EXPIRES_DEFAULT;
  		{ "expire-time", 't', 0,G_OPTION_ARG_INT, &expire_timeout,
  	notify_notification_set_timeout(notify, expire_timeout);
  adyroman@panther:~/libnotify-0.4.5/tools$

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