<p class="fields">
  <%= f.select(:quirk_id, Quirk.all.collect {|p| [p.name,p.id]}) %>
  <%= f.text_field :comment, :size => 50 %>
  <%= link_to_remove_fields "remove", f %>
</p>

<p class="fields">
  <%= f.select(:quirk_id, Quirk.all.collect {|p| [p.name,p.id]}) %>
  <%= f.text_field :comment, :size => 50 %>
  <%= link_to_remove_fields "remove", f %>
  <%= f.semantic_errors :comment %>
</p>

Add semantic_error field for quirkdetail.
Add semantic_error field for quirkdetail.
