                @props.editor_name != next.editor_name or
                @props.saved_mesg != next.saved_mesg or
                @state.edited_message != next_state.edited_message or
+               @state.show_history != next_state.show_history or
                ((not @props.is_prev_sender) and (@props.sender_name != next.sender_name))
 
     componentDidMount: ->

        </div>

    render_history_title: (color, font_size) ->
        <ListGroupItem style={background:color, fontSize: font_size, borderRadius: '10px 10px 0px 0px'}>
            <span style={fontStyle: 'italic', fontWeight: 'bold'}>Message History</span>
        </ListGroupItem>


                wrap: ['<span class="smc-editor-chat-smiley">', '</span>']
            value = misc_page.sanitize_html(value)

            <Row ref="preview" style={position:'absolute', bottom:'0px', width:'97.2%'}>
                <Col xs={0} sm={2}></Col>

                <Col xs={10} sm={9}>
