## ISO Standards Tag Set (ISOSTS) version 1.0: A customization of NISO JATS version 0.4

#### International Organization for Standardization (ISO)

# xmlns:mml

# MathML Namespace Declaration

This is not an attribute, but the namespace pseudo-attribute. The value provides a prefix to use for the MathML elements. All namespace prefixes must be associated with a URL, and the prefix “ `mml` ” has been set to the URL for the World Wide Web Consortium (W3C) MathML 2.0 Tag Set.

## Attribute Values

#### In Elements

##### <mml:math>

##### <standard>

Value | Meaning
--- | ---
http://www.w3.org/1998/Math/MathML | The prefix “ `mml` ” has been set to the URL for the W3C MathML 2.0 Tag Set.
Restriction: This attribute value may not be changed.

## ISO Standards Tag Set (ISOSTS) version 1.0: A customization of NISO JATS version 0.4

#### Version of April 2012