anchor.diff:  There are five states and each has its own icon:
   mail.xpm, newmail.xpm, unreadmail.xpm, nomail.xpm, errmail.xpm.
   
  -*sounds*::
  -Audio files which are played by 'icesound' on GUI events.
  -These are:
  -startup.wav,
  -shutdown.wav,
  -restart.wav,
  -launchApp.wav,
  -workspaceChange.wav,
  -windowOpen.wav,
  -windowClose.wav,
  -windowMax.wav,
  -windowRestore.wav,
  -windowMin.wav,
  -windowHide.wav,
  -windowRollup.wav,
  -windowMoved.wav,
  -windowSized.wav,
  -windowLower.wav.
  -
   *taskbar*::
   Pictures to customize the look of the taskbar.
   These include:
  
positive.code: *icewmbg*::
  The background setting application. It can assign plain
  background color or images in different formats to the X background.
  Each workspace can have its own background.
  It supports semitransparency. Semitransparent background image
  and color can be configured. When the background image has changed
  then icewmbg can be notified to update the background.
  
negative.code: Could be used to manage IceWM internals from command line.
  
  *icehelp*::
  Is used by icewm to display the 'IceWM manual'.
  
  *icewmhint*::
  Is used internally.
  
  *icesound*::
  Plays audio files on GUI events raised by IceWM.
  
  *icewm-menu-fdo*::
  Generate an IceWM menu with executable desktop applications
  