anchor.diff:    <div class="controls">
       <%= f.text_field :last_name, :class => "required", 'aria-required' => 'true' %>
         <span class="help-inline">
  -        <%=errors.join (', ')%>
  +        <%#=errors.join (', ')%>
       </span>
     </div>
   </div>
  
positive.code:     <%= f.label :password, password_label(@user), :class => 'control-label '+@required %>
      <div class="controls">
        <%= f.password_field :password, :class => '' +@required %>
        <%= content_tag(:span, '', :title => 'The password must be 8 to 30 characters long. It must contain at least one number and one letter.',
                       'data-placement' => 'right', :class => 'icon questionmark tip') %>
        <span class="help-inline">
          <%=errors.join (', ')%>
        </span>
      </div>
    </div>
  
negative.code:   <div class="controls">
      <%= f.text_field :first_name, :class => "required", 'aria-required' => 'true' %>
      <span class="help-inline">
        <%#= errors.join (', ') %>
      </span>
    </div>
  </div>
  