<% if document.pre_publication? %>
  <dd>Preview</dd>
<% else %>
  <% history = document.change_history %>
  <dt><%= t('change_notes.published_at') %>:</dt>
  <dd><%= absolute_date(history.last.public_timestamp) %></dd>
  <% unless history.newly_published? -%>
    <dt><%= t('change_notes.updated_at') %>:</dt>
    <dd>
      <%= absolute_date(history.most_recent_change) %>
      <% if footer_meta -%>, <a class="see-all-updates" href="#history"><%= t('change_notes.see_all_updates') %></a><% end -%>
    </dd>
  <% end %>
<% end %>

<% if document.pre_publication? %>
  <dd>Preview</dd>
<% else %>
  <% history = document.change_history %>
  <dt><%= t('change_notes.published_at') %>:</dt>
  <dd><%= absolute_date(history.last.public_timestamp) %></dd>
  <% unless history.newly_published? -%>
    <dt><%= t('change_notes.updated_at') %>:</dt>
    <dd>
      <%= absolute_date(history.most_recent_change) %><% if footer_meta -%>, <a class="see-all-updates" href="#history"><%= t('change_notes.see_all_updates') %></a><% end -%>
    </dd>
  <% end %>
<% end %>

Remove whitespace before the comma on "Last updated:" change note lines
Remove whitespace before the comma on "Last updated:" change note lines

- This looked weird and annoyed me.
- Tried every combination of <%- and -%> etc., to no avail, and joining
  the two lines into this really long one was the only solution that
  worked.
