Going to the manual page for 2.16 ( http://lilypond.org/manuals.html) and entering a search term (eg I tried "footnote") in the search box at upper right returns hits in the 2.17 manuals. The search presented to Google is:
site:lilypond.org/doc/v2.17 footnote _______________________________________________ bug-lilypond mailing list [email protected] https://lists.gnu.org/mailman/listinfo/bug-lilypond
