Web Devout tidings

Validity and well-formedness

I’ve just published a new web development article called Validity and Well-Formedness, which explains the distinctions between valid and well-formed XHTML.

If the W3C HTML Validator says your XHTML page is valid, that means it’s also well-formed, right? Wrong! This article has several examples of XHTML documents which are perfectly valid but are malformed and won’t even load in an XML parser.

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