 
   subscriptions: null
   editorSubscriptions: null
-
-  # Experiment
-  openTags: null
 
   activate: ->
     History = require './history'

          # So we can't use TexitEditor::getCursorBufferPosition(), fotunately,
          # FileView serialize buffer state initaially, we use this.
          onDidShow: =>
            @debug "Shown FileView"
            editor = @getEditor()
            point  = panel.getItem().initialState?.bufferRanges[0].start
            {editor, point}
          onDidHide: =>
            @debug "Hidden FileView"
            editor = @getEditor()
            point  = @getPosition editor
            {editor, point}

    return unless entry  = @history["get#{direction}"]()

    if direction is 'Prev' and @history.isNewest()
      point = @getPosition editor
      URI   = editor.getURI()
      @history.pushToHead editor, point, URI

