anchor.diff:  <% content_for :title, "Withdraw or unpublish" %>
   <% content_for :context, @edition.title %>
   <% content_for :error_summary, render('shared/error_summary', object: @unpublishing, parent_class: @unpublishing.reason_as_class, class_name: @unpublishing.edition.format_name, verb: "withdraw or unpublish") %>
  -<% content_for :back_link do %>
  -  <%= render "govuk_publishing_components/components/back_link", {
  -    href: admin_edition_path(@edition)
  -  } %>
  -<% end %>
   
   <%
     unpublish_reasons = {
  
positive.code:           error_items: errors_for(@unpublishing.errors, :alternative_url)
          } %>
  
          <%= render "govuk_publishing_components/components/button", {
            text: "Unpublish",
            destructive: true,
          } %>
        <% end %>
      </div>
    </div>
  
negative.code:           error_items: errors_for(@unpublishing.errors, :explanation)
          } %>
  
          <div class="govuk-button-group govuk-!-margin-bottom-6">
            <%= render "govuk_publishing_components/components/button", {
              text: "Unpublish",
              destructive: true,
            } %>
  
            <%= link_to("Cancel", [:admin, @edition], class: "govuk-link") %>
          </div>
        <% end %>
      </div>
  
  