Redmine/app/views/attachments/_form.html.erb

<span id="attachments_fields">
  <span>
    <%= file_field_tag 'attachments[1][file]', :size => 30, :id => nil, :class => 'file'  -%>
    <label class="inline"><%= l(:label_optional_description) %><%= text_field_tag 'attachments[1][description]', '', :size => 60, :id => nil, :class => 'description' %></label>
    <%= link_to_function(image_tag('delete.png'), 'removeFileField(this)', :title => (l(:button_delete))) %>
  </span>
</span>
<small><%= link_to l(:label_add_another_file), '#', :onclick => 'addFileField(); return false;' %>
(<%= l(:label_max_size) %>: <%= number_to_human_size(Setting.attachment_max_size.to_i.kilobytes) %>)
</small>