Well-formed XML Because XML is a highly structured language, all documents must strictly conform to certain rules as per the XML 1.0 specification. Some of these rules are: ...

What does well-formed XML actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

You can do so with a DTD (document type definition), which further lets your XML parser check that the data you are reading is a well-formed XML document and conforms to your specified layout.

Paste: After copying a chunk of an XML document, stick the copy into another XML document while keeping it well-formed. Split: A beauty of XML is that any element of the root element is itself XML.