Alternate Text (MathML 2.0 Tag Set)

Use documentation for the Mathematical Markup Language (MathML) 2.0 Tag Set. (


The @alttext attribute is used only within the mathematical expressions of MathML. The equivalent function, providing words that can be display “behind” a graphic or be pronounced over a graphic, is performed by the <alt-text> element for graphics (and other elements) within this Tag Set.

Attribute Values

In Element

Value Meaning
Data characters Text, numbers, or special characters.
Restriction: This attribute may be specified if the element is used.