anchor.diff:  ----
   ++++
   </div>
  -<div class="tutorial-tab tab-pane fade" id="ruby-step1" role="tabpanel" aria-labelledby="ruby-tab-step1">
  +<div class="tutorial-tab tab-pane fade" id="ruby-step2" role="tabpanel" aria-labelledby="ruby-tab-step2">
   ++++
   [source,ruby]
  +----
  +simple_plan                  = KillBillClient::Model::SimplePlanAttributes.new
  +simple_plan.plan_id          = 'standard-monthly'
  +simple_plan.product_name     = 'Standard'
  +simple_plan.product_category = 'BASE'
  +simple_plan.currency         = 'USD'
  +simple_plan.amount           = 24.95
  +simple_plan.billing_period   = 'MONTHLY'
  +simple_plan.trial_length     = 0
  +simple_plan.trial_time_unit  = 'UNLIMITED'
  +
  +KillBillClient::Model::Catalog.add_tenant_catalog_simple_plan(simple_plan,
  +                                                              user,
  +                                                              reason,
  +                                                              comment,
  +                                                              options)
  +----
  +++++
  +</div>
  +<div class="tutorial-tab tab-pane fade" id="python-step2" role="tabpanel" aria-labelledby="python-tab-step2">
  +++++
  +[source,python]
   ----
   catalogApi = killbill.api.CatalogApi()
   body = SimplePlan(plan_id='standard-monthly',
  
positive.code: [NOTE]
  *Note* The simple catalog supports a _subset_ of the regular XML catalog features and isn't intended to serve as a catalog in production. For more details on the simple catalog, see the https://killbill.github.io/slate/#catalog-simple-plan["Simple Plan"] section in the _API Reference_.
  
  ++++
  <ul class="nav nav-tabs" id="tutorial-step1" role="tablist">
    <li class="nav-item">
      <a class="nav-link active" id="curl-tab-step1" data-toggle="tab" href="#curl-step1" role="tab" aria-controls="curl-step1" aria-selected="true">cURL</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="java-tab-step1" data-toggle="tab" href="#java-step1" role="tab" aria-controls="java-step1" aria-selected="false">Java</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="ruby-tab-step1" data-toggle="tab" href="#ruby-step1" role="tab" aria-controls="ruby-step1" aria-selected="false">Ruby</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="python-tab-step1" data-toggle="tab" href="#python-step1" role="tab" aria-controls="python-step1" aria-selected="false">Python</a>
    </li>
  </ul>
  <div class="tab-content" id="tutorial-content-step1">
    <div class="tutorial-tab tab-pane fade show active" id="curl-step1" role="tabpanel" aria-labelledby="curl-tab-step1">
  ++++
  [source,bash]
  ----
  
negative.code: In this section, we will create an https://docs.killbill.io/latest/Kill-Bill-Glossary.html#account[account^] for a customer, which stores the data your organization uses to transact business with a customer. To keep things simple, we will create an account with a minimum of information.
  
  ++++
  <ul class="nav nav-tabs" id="tutorial-step3" role="tablist">
    <li class="nav-item">
      <a class="nav-link active" id="curl-tab-step3" data-toggle="tab" href="#curl-step3" role="tab" aria-controls="curl-step3" aria-selected="true">cURL</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="java-tab-step3" data-toggle="tab" href="#java-step3" role="tab" aria-controls="java-step3" aria-selected="false">Java</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="ruby-tab-step3" data-toggle="tab" href="#ruby-step3" role="tab" aria-controls="ruby-step3" aria-selected="false">Ruby</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="python-tab-step3" data-toggle="tab" href="#python-step3" role="tab" aria-controls="python-step3" aria-selected="false">Python</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="go-tab-step3" data-toggle="tab" href="#go-step3" role="tab" aria-controls="go-step3" aria-selected="false">Go</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" id="php-tab-step3" data-toggle="tab" href="#php-step3" role="tab" aria-controls="php-step3" aria-selected="false">PHP</a>
    </li>
  </ul>
  <div class="tab-content" id="tutorial-content-step1">
    <div class="tutorial-tab tab-pane fade show active" id="curl-step3" role="tabpanel" aria-labelledby="curl-tab-step3">
  ++++
  [source,bash]
  ----
  