anchor.diff:  
   Adds a tool that displays the contents of a stack when the player leaves the mouse resting over it, after a specified delay.
   
  -[cols=",",]
  -|===
  -|image:images/CounterDetailViewer.png + |*Recommended Delay before display:*  When the mouse has been stationary for this many milliseconds, the viewer will appear.
  +
  +[grid=none]
  +[frame=none]
  +|===
  +|image:images/CounterDetailViewer.png[]] |*Recommended Delay before display:*  When the mouse has been stationary for this many milliseconds, the viewer will appear.
   This can be overridden in the preferences.
   
   *Keyboard shortcut to display:*  Players may display the viewer without waiting by pressing this shortcut key.
  
positive.code: 
  *Border Color:*  The color of the border to be drawn around selected pieces.
  
  *Border thickness:*  The thickness of the border
  
  image:images/SelectionHighlighterFind.png
  
  image:images/SelectionHighlighter.png
  
negative.code: Give each piece the <<PropertyMarker.adoc#top,Marker>> trait with property name _canFire_ and value _true_.
  Configure the Global Key Command to apply to pieces whose properties match _\{ canFire == "true" && Fired_Active == "true" }_.
  Specify CTRL-F as the key command.
  Now clicking the Global Key Command's button will set all marked pieces on the map to not having fired.|image:images/GlobalKeyCommand.png[]]
  |===
  [#MapShading]
  ==== Map Shading
  
  