old_contents: export default {
    name: 'inlineMenu',
    functional: true,
    props: {
      node: Object,
      tpl: Function
    },
    render (h, ctx) {
      return ctx.props.tpl ? ctx.props.tpl(ctx.props.node, ctx) : <span domPropsInnerHTML={ctx.props.node.title}></span>
    }
  }
  
new_contents: export default {
    name: 'inlineMenu',
    functional: true,
    props: {
      node: Object,
      tpl: Function
    },
    render (h, ctx) {
      debugger
      return ctx.props.tpl ? ctx.props.tpl(ctx.props.node, ctx) : <span domPropsInnerHTML={ctx.props.node.title} onClick={() => ctx.parent.expandNode(ctx.props.node)}></span>
    }
  }
  
subject: support click text node