Q9. List the standards defined by W3C regarding XML.
Ans. The following are some standards defined by W3C, which need to
be followed by all XML-based applications:
- XML must be directly usable over Internet.
- Almost all or a wide range of applications must be supported by XML.
- XML must be compatible with SGML.
- The number of optional features in XML should be zero or absolute.
- XML documents need to be clear and human-readable.
- XML structure must be formal and concise.