xmlns:mml

MathML Namespace Declaration

This is not an attribute, but the namespace pseudo-attribute. The value provides a prefix and URI 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 Tag Set.

Used on these Elements:

ValueMeaning
http://www.w3.org/1998/Math/MathMLThe prefix “mml” has been set to the URL for the W3C MathML Tag Set.
RestrictionThis attribute has a fixed value which may not be changed in the XML document.