An XML document that complies with a particular schema, in addition to being well-formed, is said to be valid. A “Valid” XML document also conforms to a DTD. |
A “Valid” XML document is a “Well Formed” XML document, in addition it also conforms to the rules of a Document Type Definition (DTD): |
<?xml version=”1.0″ encoding=”ISO-8859-1″?> <!DOCTYPE email SYSTEM “emailStructure.dtd”> <email> <sender> <sender_name>XYZ Kumar</sender_name> <sender_email_id>[email protected]</sender_email_id> </sender> <recipient> <recipient_name>ABC</recipient_name> <recipient_email_id>[email protected]</recipient_email_id> </recipient> <subject>Hello! how r U</subject> <message> <message_header>Hello dear</message_header> <message_body_text>Hello this is Ravish, how are you dear</message_body_text> <message_footer>bye!, take care</message_footer> </message> </email> |