Indicates whether multiple subscripts or superscripts applying to the same
character should stack, (that is, be placed one above the other as compactly as
possible) or stagger (that is, be stretched out in a line).
| Value |
Meaning |
| stack |
The multiple subscripts or superscripts should be placed one above the
other as compactly as possible.
|
| stagger |
The multiple subscripts or superscripts should be stretched out in a
line.
|
| Restriction: This attribute may be specified if the element is used.
|