 
     # placeholder of the inputbox of query mode
     setPlaceholder: (content) ->
+        content = _.escape content
         @inputBox.editor.placeholderText = content
         return @
 

        return @

    appendContent: (content) ->
        @body.show()
        for item in content
            @contentList.append "<li class: 'list-item'>#{item}</li>"

        return @

    setContent: (content) ->
        content = content.map (s) => _.escape s
        @clearContent()

        if content.length > 0
