anchor.diff:    </tr>
     <tr>
       <th><code>BUILDKITE_RETRY_COUNT</code></th>
  -    <td>An integer of how many times this job has been retried. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
  +    <td>An integer of how many times this job has been retried. <p class="Docs__api-param-eg"><em>Example:</em> <code>"0"</code></p></td>
     </tr>
     <tr>
       <th><code>BUILDKITE_SHELL</code></th>
  
positive.code:   </tr>
    <tr>
      <th><code>BUILDKITE_AGENT_ID</code></th>
      <td>A string of the ID of the agent that is running the job. <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_AGENT_PID</code></th>
      <td> <p class="Docs__api-param-eg"><em>Example:</em> <code>""</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_AGENT_NAME</code></th>
      <td>Name of the agent running the job. <p class="Docs__api-param-eg"><em>Example:</em> <code>"my-agent-1"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_AGENT_TOKEN</code></th>
  
negative.code:   </tr>
    <tr>
      <th><code>BUILDKITE_SSH_KEYSCAN</code></th>
      <td>A boolean that describes whether or not to run `ssh-keyscan` before running `git checkout`. <p class="Docs__api-param-eg"><em>Default:</em> <code>"false"</code></p></td>
    </tr>
    <tr>
      <th><code>BUILDKITE_TAG</code></th>
  