(Excerpt from "The MathML Handbook" by Pavi Sandhu)


<msup>base superscript</msup>


The msup element is used for representing a superscript attached to a base.

By default, the msup element automatically increments scriptlevel by 1 and sets displaystyle to false in superscript but leaves both attributes unchanged within base.


This element has the one attribute shown in the following table.

Table: Attribute of msup.

Attribute Values Default
superscriptshift number v-unit automatic

The superscriptshift attribute specifies the minimum amount by which the superscript should be shifted up relative to the baseline of the base expression.


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