anchor.diff:  
                   <% registered_this_session = @sessions.include?(session) || @gm_sessions.include?(session) %>
                   <% if !registered_this_session && registrations_available && @registration.payment_ok? %>
  -                  <% unless table.raffle? or @event.closed? or online_sales_closed?%>
  +                  <% unless table.raffle? or @event.closed? or online_sales_closed? %>
                       <% unless table.premium? %>
                         <%= button_to 'Sign Up', new_event_session_table_registration_table_path(@event, session, table),
                                       :class => "btn btn-xs btn-primary", :method => :get, :disabled => table.closed? %>
  
positive.code:       </div>
        <div class="bg-warning text-primary" style="margin-top: 0">In order to make any changes to your
          registrations and signups, you will need to see HQ at the event.
        </div>
      </div>
    <% end %>
  
negative.code:         <div style="display: inline-block; vertical-align: top; font-size: 1.5em;">
            <span class="text-danger glyphicon glyphicon-warning-sign"></span></div>
          <div style="display: inline-block;">If you are planning on GMing in a slot, please do not sign up to play in
            that slot.
            <br>The hosts of <%= @event.name %> will assign you to your GM slot once you have registered and paid
            for <%= @event.name %>.
          </div>
  