ANSI/NISO Z39.96-2015

10 Article Authoring Tag Set, version 1.1 • 10.5 Attributes

10.5.5 @arrange Arrangement of Subscripts and Superscripts

Indicates whether multiple subscripts or superscripts applying to the same character should stack (be placed one above the other as compactly as possible) or stagger (be stretched out in a line).

In elements <sub> and <sup>, this attribute may be used if the element is used.
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.