     if @updateTimer?
       window.clearTimeout @updateTimer
       @updateTimer = null
+    return
 
   shouldActivateCustomSearchMode: ->
     queryTerms = @input.value.ltrim().split /\s+/

  completers: {}

  getCompleter: (name) ->
    @completers[name] ?= new BackgroundCompleter name

  activate: (userOptions) ->
    options =

    @keywords = []
    @seenTabToOpenCompletionList = false
    @completer?.reset()
    return

  updateSelection: ->
    # For custom search engines, we suppress the leading term (e.g. the "w" of "w query terms") within the
