Working Draft 15-May-97

Glossary

Attribute
A parameter to an XML element (specified in the begin tag) that is composed of an attribute name and a value.

Block level tag
A term used for categorizing display style (math in between paragraphs) MathML elements.

Cascading Style Sheets (CSS)
A mechanism that allows authors and readers to attach style (e.g. fonts, colors and spacing) to HTML documents.

Character Data (CDATA)
A SGML data type for raw text which does not include markup or entity references.

Character level tag
A term used for categorizing inline (math as part of a paragraph) MathML elements.

Content element
MathML elements which explicitly specify the meaning of a portion of a MathML expression.

Document Type Definition (DTD)
In SGML or XML a formal definition of the tags and the relationship among the data elements (the structure) for a particular type of document.

Entity reference
A sequence of ASCII characters of the form &name; which represents some other data, typically a non-ASCII character.

Extensible Markup Language (XML)
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.

Mathematical Markup Language (MathML)
The markup language (specified in this document) for describing mathematical expression structure, together with a mathematical context.

MathML element
An XML element which describes part of the logical structure of a MathML document

Multi-purpose Internet Mail Extensions (MIME)
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.

OpenMath
A general representation language for communicating mathematical objects between application programs.

Parsed Character Data (PCDATA)
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.

Presentation layout schema
A presentation element that can have other MathML elements as content.

Presentation tokens
A presentation element that can have only parsed character data as content.

Standard Generalized Markup Language (SGML)
An ISO standard (ISO 8879:1986) which supplies a formal notation for the definition of generalized markup languages via DTDs.