anchor.diff:        </p>
         <p>
           <label for="biography">Life story</label>
  -        <textarea id="biography" cols="80" rows="10" />
  +        <textarea id="biography" cols="80" rows="10">
  +        </textarea>
         </p>
         <p>
           <label for="height">Height</label>
  
positive.code:         <label for="spouse_last_name">Last name</label>
          <input id="spouse_last_name" type="text" />
        </p>
        <p><button value="Submit spouse form" /></p>
      </form>
    </div>
  
  
negative.code:           <option value="heavy">Heavy</option>
          </select>
        </p>
        <p><button value="submit_person_form">Submit person form</button></p>
      </form>
    </div>
  
    <div id="spouse_form">
      <form action="/thanks" method="get">
  