...one of the most highly
regarded and expertly designed C++ library projects in the
world. — Herb Sutter and Andrei
Last edit to Quickbook file circular_buffer.qbk was at 09:08:16 PM on 2018-Aug-01.
This should appear on the pdf version (but may be redundant on a html version where the last edit date is on the first (home) page).
Home page "Last revised" is GMT, not local time. Last edit date is local time.