Type of Alternate Title

Reason for or purpose of an alternate title (for example, “toc” for a title used in a Table of Contents, “right-running” for a right-running-head title for print).

Used on Element: <alt-title>

Text, numbers, or special charactersA word or phrase describing the rationale for this version of the title, for example, “right-running-head”.
RestrictionThis is an optional attribute; there is no default.