anchor.diff:    <tr>
       <td><code>skip</code></td>
       <td>
  -      Whether to skip this group or not. Passing a string provides a reason for skipping this command. Passing an empty string is equivalent to <code>false</code>.
  -      Note: Skipped steps will be hidden in the pipeline view by default, but can be made visible by toggling the 'Skipped jobs' icon.<br>
  +      Whether to skip this step or group or not. Passing a string provides a reason for skipping this command. Passing an empty string is equivalent to <code>false</code>.
  +      Note: Skipped steps or groups will be hidden in the pipeline view by default, but can be made visible by toggling the 'Skipped jobs' icon.<br>
         <em>Example:</em> <code>true</code><br>
         <em>Example:</em> <code>false</code><br>
         <em>Example:</em> <code>"My reason"</code>
  
positive.code: 
  ## Parallel groups  
  
  If you have two group steps next to each other, they run in parallel. For example:  
  
  ```yml
  # 1.sh and 3.sh will start at the same time.
  
negative.code:   <tr>
      <td><code>depends_on</code></td>
      <td>
        A list of step or group keys that this step depends on. This step or group will only run after the named steps have completed. See <a href="/docs/pipelines/dependencies">managing step dependencies</a> for more information.<br>
        <em>Example:</em> <code>"test-suite"</code>
      </td>
     </tr>
    <tr>
      <td><code>env</code></td>
      <td>
        A map of <a href="/docs/pipelines/environment-variables">environment variables</a> for this step or group.<br>
        <em>Example:</em> <code>RAILS_ENV: "test"</code>
      </td>
    </tr>
    <tr>
      <td><code>if</code></td>
      <td>
        A conditional to whether or not this step, block, or group should be included in the build. A boolean expression that omits the step when false. See <a href="/docs/pipelines/conditionals">Using conditionals</a> for supported expressions.<br>
        <em>Example:</em> <code>build.message != "skip me"</code>
      </td>
    </tr>
    <tr>
      <td><code>key</code></td>
      <td>
      	A unique string to identify the step, block, or group. Alias: `identifier` or `id`.
        <em>Example:</em> <code>"test-suite"</code>
      </td>
    </tr>  
  