A simple question

"Handren Mokri" <[email protected]> Thu, 4 Jan 2001 13:46:48 +0100
Newsgroups gmane.ietf.vcard-xml
Message-ID <[email protected]>
Hi!

In some articles writes that XML is a semistructured document, is that
true?.
If that is the case, what do they really mean?

Thank you
Handren Ahmed