app/views/partials/notation/_edit_base.html.erb
<fieldset class="note_relation" id="notations_data">
<legend><%= Notation::Base.model_name.human(:count => 2) %></legend>
<ol>
<% owner_klass.notations.each do |notation| %>
<%= content_tag(:li, :class => "inline_note #{" new" if notation.new_record?}") do %>
<%= f.fields_for :notations, notation do |note_form| %>
<%= note_form.text_field :value %>
<%= note_form.text_field :data_type %>
<% unless notation.new_record? %>
<%= note_form.check_box :"_destroy", :label => t("txt.common.delete") %>
<% end %>
<% end %>
<% end %>
<% end %>
</ol>
<input type="button" value="<%= t("txt.common.add_note") %>" class="btn btn-outline-secondary pull-right">
</fieldset>