[Expat-bugs] not well-formed token caused by charactor '&' in text value field, how to do with this kind of using?

[孙兆玉]

demo:
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<xml>
	<file location="/usr/data/testuill&data"/>
</xml>
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then use expat parse it, will send error: not well-formed( invalid token )!

and Intelnet Explorer also raise an error!