app/views/versions/index.html.erb
<% title = "#{t(:histories)} #{@settings.site.dot} #{@post.title(current_lang)}" %>
<% content_for(:title) { title } %>
<div class="page-header">
<h1><%= title %></h1>
</div>
<ul class="unstyled">
<% @versions.each_with_index do |version, i| %>
<li>
<%= link_to "#{t('version')} #{i + 1}", [@post, version] %>
<small><%= time_ago(version.reify.updated_at) %></small>
</li>
<% end %>
</ul>
<ul class="unstyled">
<li><%= link_to t('back_to_post'), @post %></li>
</ul>