anchor.diff:  
       <li<%= sidebar_current("docs-google-cloudfunctions") %>>
       <a href="#">Google Cloud Functions Resources</a>
  -    <ul class="nav nav-visible">
  +    <ul class="nav">
         <li<%= sidebar_current("docs-google-cloudfunctions-function") %>>
         <a href="/docs/providers/google/r/cloudfunctions_function.html">google_cloudfunctions_function</a>
         </li>
  
positive.code: 
      <li<%= sidebar_current("docs-google-spanner") %>>
      <a href="#">Google Spanner Resources</a>
      <ul class="nav nav-visible">
        <li<%= sidebar_current("docs-google-spanner-database") %>>
        <a href="/docs/providers/google/r/spanner_database.html">google_spanner_database</a>
        </li>
  
negative.code: 
      <li<%= sidebar_current("docs-google-ml") %>>
      <a href="#">Google ML Engine Resources</a>
      <ul class="nav">
        <li<%= sidebar_current("docs-google-ml-engine-model") %>>
        <a href="/docs/providers/google/r/ml_engine_model.html">google_ml_engine_model</a>
        </li>
  