{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "body"
  ],
  "properties": {
    "body": {
      "$ref": "#/definitions/body_html_and_govspeak"
    },
    "external_related_links": {
      "$ref": "#/definitions/external_related_links"
    }
  }
}

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "body": {
      "$ref": "#/definitions/body_html_and_govspeak"
    },
    "external_related_links": {
      "$ref": "#/definitions/external_related_links"
    }
  }
}

Remove Help Page required for the body field
Remove Help Page required for the body field

Publisher does not validate the presence of content within in the body
field for the Help Page format. This means that we get an error for nil
fields.

We can now send the body with nil content.
