First, the you must modify the chapter1.xml file to remove the XML preprocessing directive and the DOCTYPE element.

首先，必须修改chapter 1 . xml文件以删除xml预处理指令和DOCTYPE元素。

youdao

First, the you must modify the chapter1.xml file to remove the XML preprocessing directive and the DOCTYPE element.

首先，必须修改chapter 1 . xml文件以删除xml预处理指令和DOCTYPE元素。

youdao