redmine/app/views/news/_form.rhtml

<%= error_messages_for 'news' %>
<div class="box tabular">
<p><%= f.text_field :title, :required => true, :size => 60 %></p>
<p><%= f.text_area :summary, :cols => 60, :rows => 2 %></p>
<p><%= f.text_area :description, :required => true, :cols => 60, :rows => 15, :class => 'wiki-edit' %></p>
</div>

<%= wikitoolbar_for 'news_description' %>