撇号和引号

属性值可以用简单或双引号显示。必须转义相应的字符。

<?xml version="1.0"?>
<document
  quot-attribute="This is a &quot;double quote&quot; and this one is 'simple'"
  apos-attribute='This is a &apos;simple quote&apos; and this one is "double"'>
</document>