xref

Cross-Reference (MathML Tag Set)

Use documentation for the Mathematical Markup Language (MathML) Tag Set (http://www.w3.org/TR/MathML2/) or for the Mathematical Markup Language (MathML) 3.0 Tag Set (http://www.w3.org/TR/MathML3/).

Attribute Values

In Element

<mml:math>
ValueMeaning
An identifier (IDREF)Points to another MathML element. Use MathML documentation.
Restriction: This is an optional attribute; there is no default.