<h2>Post reply</h2>
<%= semantic_form_for @post, :url => forum_topic_posts_path(@topic) do |form| %>
  <%= form.semantic_errors %>

  <%= form.inputs 'Reply to thread' do %>
    <%= render 'forums/posts/fields', :form => form %>
    <%= render 'forums/posts/anonymous', :form => form, :post => @post %>
  <% end %>

  <%= form.buttons do %>
    <%= form.commit_button 'Post reply' %>
  <% end %>
<% end %>
