xnest should be supported

Binary package hint: gdm

It seem it used to work in previous Ubuntu releases such as Hardy and Dapper... And now it's "not YET implemented"? I don't even get the "login in a new window" menu option at all! :(

balbuena@chimango:~$ gdmflexiserver --help
Usage:
  gdmflexiserver [OPTION...] - New GDM login

Help Options:
  -h, --help Show help options

Application Options:
  -c, --command=COMMAND Only the VERSION command is supported
  -n, --xnest Ignored - retained for compatibility
  -l, --no-lock Ignored - retained for compatibility
  -d, --debug Debugging output
  -a, --authenticate Ignored - retained for compatibility
  -s, --startnew Ignored - retained for compatibility
  --monte-carlo-pi
  --version Version of this application

balbuena@chimango:~$ gdmflexiserver --xnest

** (gdmflexiserver:8499): WARNING **: Not yet implemented

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gdm 2.32.1-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Mon May 16 17:54:34 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANGUAGE=pt_BR:pt_PT:en_CA:en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 LC_MESSAGES=pt_BR.UTF-8
 SHELL=/bin/bash
SourcePackage: gdm
UpgradeStatus: Upgraded to natty on 2011-04-28 (18 days ago)