DTD简介 个简例 greeting. xml <?xml version=1.0?> KGREETING> He11。Ⅺ! </GREETING> a greeting. dtd: <! ELEMENT GREETING (#PCDATA)>DTD简介 „ 一个简例 „ greeting xml greeting.xml: <?xml version="1.0"?> <GREETING> Hello XML! </GREETING> „ greeting.dtd: <!ELEMENT GREETING (#PCDATA)>