Reporting error as requested in installation

[Art Edwards <edwardsa@plk.af.mil>]

I paste here an error I received when attempting to install
xlibs_4.2.1-6_i386.deb

dpkg: error processing /var/cache/apt/archives/xlibs_4.2.1-6_i386.deb
(--unpack)
:
 trying to overwrite `/usr/X11R6/lib/X11/app-defaults', which is also in
 package
  xscreensaver
  Analyzing /usr/X11R6/lib/X11/app-defaults:
  drwxr-xr-x   16 root     root         1024 Aug 12  2002 /usr
  drwxr-xr-x    7 root     root         1024 Jun  2  2000 /usr/X11R6
  drwxr-xr-x    6 root     root         3072 Apr 29 11:08 /usr/X11R6/lib
  drwxr-xr-x   18 root     root         1024 Apr 29 11:08
  /usr/X11R6/lib/X11
  drwxr-xr-x    2 root     root         2048 Apr 29 11:08
  /usr/X11R6/lib/X11/app-d
  efaults
  ERROR: /usr/X11R6/lib/X11/app-defaults is not a symbolic link.  The
  package 
  preinst script should have failed.
  Please report the package name, version, and the text of the above
  error 
  message(s) to <debian-x@lists.debian.org>.

Art Edwards
-- 
Art Edwards
Senior Research Physicist
Air Force Research Laboratory
Electronics Foundations Branch
KAFB, New Mexico

(505) 853-6042 (v)
(505) 846-2290 (f)