 
     handleKeyUp: (key, e) ->
       switch key
-        when "backspace"
-          @_hideResultsPopover()
         when "down"
           @_showResultsPopover() unless @resultsPopover.visible
         when "up", "down"

namespace 'Exo.Views', (exports) ->
  class exports.AutocompleteTokenField extends Exo.Views.TokenField
    resultsPopoverClass: Exo.Views.CollectionListPopover
    showPopoverOnEmpty: true
    minInputValueLength: 1
    allowNewTokens: true



    handleKeyDown: (key, e) ->
      switch key
        when "enter"
          e.preventDefault()
          @_hideResultsPopover()
