“有效xml”和“格式正确的xml”之间有什么区别吗？ [英] Is there any difference between 'valid xml' and 'well formed xml'?

问题描述

我不知道有什么区别，但是一位同事说有区别，尽管他不能支持。

I wasn't aware of a difference, but a coworker says there is, although he can't back it up. What's the difference if any?

推荐答案

有区别，是的。

XML格式正确，而遵循< a href = https://www.w3schools.com/xml/xml_dtd.asp rel = noreferrer> DTD 被认为是有效的。

XML that adheres to the XML standard is considered well formed, while xml that adheres to a DTD is considered valid.

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