Redmine/app/views/messages/edit.html.erb

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

<%= form_for @message, {
               :as => :message,
               :url => {:action => 'edit'},
               :html => {:multipart => true,
                         :id => 'message-form',
                         :method => :post}
          } do |f| %>
  <%= render :partial => 'form',
             :locals => {:f => f, :replying => !@message.parent.nil?} %>
  <%= submit_tag l(:button_save) %>
  <%= link_to_remote l(:label_preview),
                     { :url => { :controller => 'messages',
                                 :action => 'preview', :board_id => @board, :id => @message },
                       :method => 'post',
                       :update => 'preview',
                       :with => "Form.serialize('message-form')",
                       :complete => "Element.scrollTo('preview')"
                     }, :accesskey => accesskey(:preview) %>
<% end %>
<div id="preview" class="wiki"></div>

<% content_for :header_tags do %>
    <%= stylesheet_link_tag 'scm' %>
<% end %>