What is xml why is it used?
Why namespace is used in xml?
Why is xml used?
What is dtd and its types?
Why is dtd important?
What is sgml and xml?
What is xml vs html?
What is xml document?
What is dhtml and xml?
What is difference between xml and xhtml?
How does rss work?
What is rss element rss?
Do I need an rss feed for podcast?
What is the best rss reader?
What is media rss feed?