Answers for "xml tags"

xml initial tag

<?xml version="1.0" encoding="UTF-8"?>

xml vs html

The most salient difference between HTML and 
XML is that HTML describes presentation and XML describes content. 

An HTML document rendered in a web browser is human readable. 

XML is aimed toward being both human and machine readable.

xml syntax

All XML elements must be closed e.g <br />
XML elements are case-sensitive unlike HTML
XML elements must be properly nested
White space are preserved in XML E.g (<p>Hello      XML</p>) will produce Hello      XML, with white spaces :D