anchor.diff:  -spec bind_enter_to_change_focus(InputID :: binary(), TargetID :: binary()) -> string().
   %% ====================================================================
   bind_enter_to_change_focus(InputID, TargetID) ->
  -  Script = <<"$('#", InputID/binary, "').bind('keydown', function (e){",
  -  "if (e.which == 13) { e.preventDefault(); document.getElementById('", TargetID/binary, "').focus(); } });">>,
  -  wire(Script, false).
  +    Script = <<"$('#", InputID/binary, "').bind('keydown', function (e){",
  +    "if (e.which == 13) { e.preventDefault(); document.getElementById('", TargetID/binary, "').focus(); } });">>,
  +    wire(Script, false).
   
   
   %% bind_key_to_click/2
  
positive.code: -spec click(TargetID :: binary()) -> ok.
  %% ====================================================================
  click(TargetID) ->
    wire(TargetID, <<"click">>, <<"">>, false).
  
  
  %% prop/3
  
negative.code: -spec set_width(TargetID :: binary(), Value :: binary()) -> ok.
  %% ====================================================================
  set_width(TargetID, Value) ->
      wire(TargetID, <<"width">>, Value, false).
  
  
  %% click/2
  