anchor.diff:    `img:embedded`;;
     Only embedded images. Embedded images can only use the
                       `cid:` URL protocol in their `src` attribute.
  +--
   
   `xpack.notification.email.html.sanitization.disallow`::
   Specifies the HTML elements that are NOT allowed in email notifications.
  
positive.code: `xpack.notification.jira` ::
  Specifies account information for using notifications to create
  issues in Jira. You can specify the following Jira account attributes:
  
  [[jira-account-attributes]]
  
    `url`;;
  
negative.code: `xpack.notification.pagerduty`::
  Specifies account information for sending notifications
  via PagerDuty. You can specify the following PagerDuty account attributes:
  +
  --
    `name`;;
    A name for the PagerDuty account associated with the API key you
    are using to access PagerDuty. Required.
  