DTD学习

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1 看下xml的错误的配置 from多了一个m

<?xml version="1.0"?><!DOCTYPE note [  <!ELEMENT note    (to,from,heading,body)>  <!ELEMENT to      (#PCDATA)>  <!ELEMENT from    (#PCDATA)>  <!ELEMENT heading (#PCDATA)>  <!ELEMENT body    (#PCDATA)>]><note><to>Tove</to><fromm>Jani</fromm><heading>Reminder</heading><body>Don't forget me this weekend!</body></note> 

2 验证代码

<html><body><h3>This demonstrates a parser error:</h3><script type="text/javascript">var xmlDoc = new ActiveXObject("Microsoft.XMLDOM")xmlDoc.async="false"xmlDoc.validateOnParse="true"xmlDoc.load("err.xml")document.write("<br />Error Code: ")document.write(xmlDoc.parseError.errorCode)document.write("<br />Error Reason: ")document.write(xmlDoc.parseError.reason)document.write("<br />Error Line: ")document.write(xmlDoc.parseError.line)</script></body></html>



3 用ie打开,搜狗看不出来



4 提示11行有错 ,11行的确有问题



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