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       FvwmBacker - the FVWM background changer module


       FvwmBacker is spawned by fvwm, so no command line invocation will work.


       The FvwmBacker module provides functionality to change  the  background
       when  changing  desktops.   Any  command  can be executed to change the
       backgrounds.  The commands used to change  the  backgrounds  must  exit
       after  changing  the  root  window,  (i.e. ’xv -root zzz.gif’ does not,
       without the -quit option) otherwise FvwmBacker will hang.


       The FvwmBacker module is the original work of Mike Finger.

       Copyright  1994,  Mike  Finger.  The  author  makes  no  guarantees  or
       warranties  of any kind about the use of this module.  Use this modules
       at your own risk.  You may freely use this module or any portion of  it
       for any purpose as long as the copyright is kept intact.


       During initialization, FvwmBacker will scan the same configuration file
       that FVWM used during startup to find the options that pertain  to  it.
       These options are discussed in a later section.


       FvwmBacker  can  be  invoked by fvwm during initialization by inserting
       the line ’Module FvwmBacker’ in the .fvwmrc file.

       FvwmBacker must reside in a directory that is listed in the  ModulePath
       option of FVWM for it to be executed by FVWM.


       The follow option is the only only support at present

       *FvwmWinListDesk DeskNumber command
              Specifies  the  command to execute when the specified DeskNumber
              becomes active.

              If the command begins  with  -solid  FvwmBacker  uses  the  next
              argument as a color in the X database and sets the background to
              that color without generating a system call  to  xsetroot.  Only
              single word color names may be used.


       The following are excepts from a .fvwmrc file which describe FvwmBacker
       initialization commands:

       # Set Up Backgrounds for different desktops.
       *FvwmBackerDesk 0 -solid steelblue
       *FvwmBackerDesk 1 -solid midnightblue
       *FvwmBackerDesk 2 -solid yellow
       *FvwmBackerDesk 3 xpmroot /usr/include/X11/pixmaps/background2.xpm


       Mike Finger (
                   (doodman on IRC, check the #linux channel)

Modified by

       Andrew Davison (