openproject/app/views/messages/edit.rhtml

<h2><%= link_to h(@board.name), :controller => 'boards', :action => 'show', :project_id => @project, :id => @board %> &#187; <%=h @message.subject %></h2>

<% form_for :message, @message, :url => {:action => 'edit'}, :html => {:multipart => true} do |f| %>
  <%= render :partial => 'form', :locals => {:f => f} %>
  <%= submit_tag l(:button_save) %>
<% end %>