discourse/app/views/email/notification.html.erb

<div id='main' class=<%= classes %>>

  <div class='header-instructions'>%{header_instructions}</div>

  <%= render partial: 'email/post', locals: { post: post } %>

  <% if context_posts.present? %>
    <div class='footer'>%{respond_instructions}</div>

    <hr>

    <h4 class='.previous-discussion'><%= t "user_notifications.previous_discussion" %></h4>

    <% context_posts.each do |p| %>
      <%= render partial: 'email/post', locals: { post: p } %>
    <% end %>
  <% end %>

  <hr>

  <div class='footer'>%{respond_instructions}</div>
  <div class='footer'>%{unsubscribe_link}%{unsubscribe_via_email_link}</div>

</div>

<div itemscope itemtype="http://schema.org/EmailMessage" style="display:none">
  <div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
    <link itemprop="url" href="<%= Discourse.base_url %><%= post.url  %>" />
    <meta itemprop="name" content="<%= t 'read_full_topic' %>"/>
  </div>
</div>