anchor.diff:  
   [source,clojure]
   ----
  -code,clojure
   (show/add-midi-control-to-cue-mapping "nano" 0 :control 43 0 7)
   ----
   
  
positive.code: 
  The
  http://deepsymmetry.org/afterglow/doc/afterglow.effects.cues.html[afterglow.effects.cues]
  namespace provides functions for creating cues.
  
  TODO: Describe the functions and arguments, link to effect examples.
  
  [[controlling-cues]]
  Controlling Cues
  
negative.code: a cue triggered on one controller can be ended on any other controller
  by simply pressing the lit button or clicking the lit cell there.
  
  For example, to be able to trigger the Sparkle cue, which the examples
  namespace places at `(0, 7)` within the sample show cue grid, by
  pressing the bottom leftmost button on my inexpensive Korg nanoKontrol
  2 MIDI controller, after using
  http://deepsymmetry.org/afterglow/doc/afterglow.midi.html#var-identify-mapping[afterglow.midi/identify-mapping]
  