"
      When dir='auto', the direction is set according to the first strong character
      of the text, but the element behaves externally as a neutral character.
      In this test, it allows a preceding R to form a single directional run
      with a succeeding number." />
    <style>
      input, textarea {
        font-size:1em;
      }
      body {
        font-size:2em;
      }
      .test, .ref {
        border: medium solid gray;
        width: 400px;
        margin: 20px;
      }
      .comments {