XML looks like HTML, and the syntax functions in a similar way, but it has the flexibility to allow you to create and use your own set of tags and attributes to identify the structural elements and content of a document.

• XML看上去像HTML，语法的作用也相似，但XML具有灵活性，让你生成和使用自己的标志集和属性，来识别结构成分和文档内容。