anchor.diff:  ----
   ++++
    </div>
  - <div class="tutorial-tab tab-pane fade" id="ruby-step6A" role="tabpanel" aria-labelledby="ruby-tab-step6A">
  +<div class="tutorial-tab tab-pane fade" id="ruby-step6A" role="tabpanel" aria-labelledby="ruby-tab-step6A">
   ++++
   [source,ruby]
   ----
  
positive.code: ----
  ++++
   </div>
   <div class="tutorial-tab tab-pane fade" id="python-step6A" role="tabpanel" aria-labelledby="python-tab-step6A">
  ++++
   [source,python]
   ----
   [{'account_id': '1cb6c8b0-1df6-4dd5-9c7c-2a69bab365e8',
    'amount': 24.95,
    'audit_logs': [],
    'balance': 24.95,
  
negative.code: ----
  ++++
   </div>
  <div class="tutorial-tab tab-pane fade" id="java-step6A" role="tabpanel" aria-labelledby="java-tab-step6A">
  ++++
  [source,java]
  ----
  
  class Invoice {
      org.killbill.billing.client.model.gen.Invoice@df84aad8
  