Redmine/app/views/previews/issue.html.erb

<% if @notes %>
  <fieldset class="preview"><legend><%= l(:field_notes) %></legend>
    <%= textilizable @notes, :attachments => @attachments, :object => @issue %>
  </fieldset>
<% end %>

<% if @description %>
  <fieldset class="preview"><legend><%= l(:field_description) %></legend>
    <%= textilizable @description, :attachments => @attachments, :object => @issue %>
  </fieldset>
<% end %>