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

<%= render :layout => 'layouts/file' do %>
  <%= form_tag({}, :method => 'get') do %>
    <p>
      <%= l(:label_view_diff) %>:
      <label><%= radio_button_tag 'type', 'inline', @diff_type != 'sbs', :onchange => "this.form.submit()" %> <%= l(:label_diff_inline) %></label>
      <label><%= radio_button_tag 'type', 'sbs', @diff_type == 'sbs', :onchange => "this.form.submit()" %> <%= l(:label_diff_side_by_side) %></label>
    </p>
  <% end %>
  <%= render :partial => 'common/diff', :locals => {:diff => @diff, :diff_type => @diff_type, :diff_style => nil} %>
<% end %>