anchor.diff:              }, 'Increment child value'),
             ]),
           ]),
  -        react.div({'key': 'forward-refs'}, [
  +        react.div({
  +          'key': 'forward-refs'
  +        }, [
             react.h2({'key': 'h2-forward'}, "Create / Forward refs"),
             react.h4({'key': 'h4-forward-input'}, "<input>"),
             InputComponentForm({
  
positive.code: 
    render() => react.div({}, [
          react.h1({'key': 'h1'}, 'Refs'),
          react.div({'key': 'string-refs'}, [
            react.h2({'key': 'string-h2'}, "String refs"),
            react.h4({'key': 'string-h4'}, "<input>"),
            react.form({
  
negative.code:             }, 'Increment child value'),
            ]),
          ]),
          react.div({
            'key': 'callback-refs'
          }, [
            react.h2({'key': 'h2-callback'}, "Callback refs"),
            react.h4({'key': 'h4-callback-input'}, "<input>"),
            react.form({
  