gistfile1.html

 <form id="create_form" class="one-third column alpha" data-bind="submit: createNewLink">
   <!-- ko with: newLink -->
   <p>
     <label for="link_url">Link:</label>
     <input type="text" name="link[url]" id="link_url" data-bind="value: url"/>
   </p>
   <p>
     <label for="description">Description:</label>
     <input type="text" name="link[description]" id="link_description" data-bind="value: description"/>
   </p>
   <!-- /ko -->
   <input type="submit" value="Add"/>
</form>