anchor.diff:                   title="<%= t('topic_subscribe_tooltip', 'You are unsubscribed and will not be notified of new comments') %>"
                    role="button"
                    aria-label="<%= t('You are unsubscribed and will not be notified of new comments. Click to subscribe') %> ">
  -                <i class='icon-discussion-check' aria-hidden="hidden"></i>
  +                <i class='icon-discussion-check' aria-hidden="true"></i>
                   <%= t(:topic_subscribe, 'Subscribe') %>
                 </a>
                 <a href='#' class='btn topic-unsubscribe-button btn-success' data-tooltip="bottom"
                    title="<%= t('topic_subscribed_tooltip', 'You are subscribed and will be notified of new comments') %>"
                    role="button"
                    aria-label="<%= t('You are subscribed and will be notified of new comments. Click to unsubscribe') %> ">
  -                <i class='icon-discussion-check' aria-hidden="hidden"></i>
  +                <i class='icon-discussion-check' aria-hidden="true"></i>
                   <%= t(:topic_unsubscribe, 'Subscribed') %>
                 </a>
               </div>
  
positive.code:               </a>
                <ul class="al-options">
                  <% unless @initial_post_required %>
                    <li><a href="#" class="mark_all_as_read"><i class="icon-mark-as-read" aria-hidden="hidden"></i> <%= t :mark_all_as_read, 'Mark All as Read' %></a></li>
                    <% if false # keep this command out of the interface for now %>
                      <li><a href="#" class="mark_all_as_unread"><%#= <i class="icon-mark-as-unread" aria-hidden="hidden"></i> %> <%= t :mark_all_as_unread, 'Mark All as Unread' %></a></li>
                    <% end %>
                  <% end %>
  
  
negative.code:                       data-no-rubric-exists="<%= !@discussion_presenter.has_attached_rubric? %>"
                        data-focus-returns-to=".announcement_cog"
                      >
                        <i class="icon-rubric" aria-hidden="true"></i>
                        <%= @discussion_presenter.has_attached_rubric? ? t(:show_rubric, "Show Rubric") : t(:add_rubric, "Add Rubric") %>
                      </a>
                    </li>
  