refentry.date.profile string
refentry.date.profile Specifies profile for refentry "date" data
(($info[//date])[last()]/date)[1]| (($info[//pubdate])[last()]/pubdate)[1]

## Description

The value of refentry.date.profile is a string representing an XPath expression. It is evaluated at run-time and used only if refentry.date.profile.enabled is non-zero. Otherwise, the refentry metadata-gathering logic "hard coded" into the stylesheets is used.

The `man(7)` man page describes this content as "the date of the last revision". In man pages, it is the content that is usually displayed in the center footer.