A SGML data type for raw text which does not include markup or entity references. Content element MathML elements which explicitly specify the meaning of a portion of a MathML expression. A simple dialect of SGML intended to enable generic SGML to be served, received, and processed on the Web.
Fence tags A matched pair of bracketing tokens like parentheses, braces, and brackets.
A set of specifications that offers a way to interchange text in languages with different character sets, and multi-media content among many different computer systems that use Internet mail standards. A general representation language for communicating mathematical objects between application programs. A SGML data type for raw text occurring in a context in which markup and entity references may occur. Presentation elements MathML tags and entities intended to express the syntactic structure of math notation. A presentation element that can have other MathML elements as content.