<div style="padding-top: 5px">

            ${h.submit('update',_('Update Gist'),class_="btn btn-mini btn-success")}

            <a class="btn btn-mini" href="${h.url('gist', gist_id=c.gist.gist_access_id)}">${_('Cancel')}</a>

            </div>

          ${h.end_form()}

          <script>

              $('#update').on('click', function(e){

                  e.preventDefault();

                  // check for newer version.

                  $.ajax({

                    url: "${h.url('edit_gist_check_revision', gist_id=c.gist.gist_access_id)}",

                    dataType: 'json',

                    type: 'POST',

                    success: function(data) {

                      if(data.success == false){

                          $('#edit_error').show();

                      }

                      else{

                        $('#eform').submit();

                      }

                    }

                  })

              });