过滤与标记内容

You can use metadata on elements to filter or flag content, and to show revised content.

• 过滤内容
  You can set to exclude content based on its metadata. By default, all content is included.
• 标记内容
  You can set to flag content based on metadata. By default, no content is flagged.
• 显示版本
  You can show the revision information for your content. All revision information is hidden by default.