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Is an xml attribute without a value, valid?

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执念已碎 2020-11-30 10:47

I want to have an XML attribute without any value, which simply has one meaning when it exists or does not exist.

Is that valid?

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孤城傲影 (楼主)

2020-11-30 11:15

No.

Boolean attributes in XML are of the form foo="foo".

Even in SGML, you must provide the value, (it is the name, = and quotes that you can omit, which is why you have things like
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