XML-related standards
XML eXtensible Markup Language
DTD Document Type Definitions
HTML Hypertext Markup Language
Namespace A way to ensure that tag names used in XML DTDs are unique, so that tag names from different DTDs can be combined in a single document when need be.
XSL Extensible Stylesheet Language
XSLT Transformations (XSL-T)
RDF Resource Description Framework
DOM Document Object Model
MathML Mathematical Markup Language
SMIL Synchronised Multimedia Integration Language
SVG Scalable Vector Graphics
XML Schema DTD “next version” in XML syntax