1.What is a well-formed XML document?
- If a document is syntactically correct it can be called as well-formed XML documents. A well-formed document conforms to XML's basic rules of syntax:
- Every open tag must be closed.
- The open tag must exactly match the closing tag: XML is case-sensitive.
- All elements must be embedded within a single root element.
- Child tags must be closed before parent tags.
- A well-formed document has correct XML tag syntax, but the elements might be invalid for the specified document type.
2.What is a valid XML document?
If a document is structurally correct then it can be called as valid XML documents. A valid document conforms to the predefined rules of a specific type of document:
- These rules can be written by the author of the XML document or by someone else.
- The rules determine the type of data that each part of a document can contain.
Note:Valid XML document is implicitly well-formed, but well-formed may not be valid