(Excerpt from "The MathML Handbook" by Pavi Sandhu)
<munderover>base underscript overscript</munderover>
The munderover element is used for representing an underscript and overscript attached to a base.
By default, the munderover element sets displaystyle to false in underscript and overscript and increments scriptlevel by 1 only when accentunder="false". It leaves both attributes unchanged within base.
This element has the two attributes shown in the following table.
Table: Attributes of munderover.
|accentunder||true | false||automatic|
|accent||true | false||automatic|
These attributes have the following meaning:
- accentunder: specifies whether the expression that appears in the underscript position should be treated as an accent or a limit. Accents are rendered in normal size and closer to the base, while limits are rendered in a smaller size and farther away from the base.
- accent: specifies whether the expression that appears in the overscript position should be treated as an accent or a limit. Accents are rendered in normal size and closer to the base, while limits are rendered in a smaller size and farther away from the base.
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