With the FreeBSD Handbook, for example: 1. <https://docs.freebsd.org/en/books/handbook/book/#_footnotedef_1> 2. observe the first of two footnotes near the end of the book 3. key Tab five or six times 4. observe items within the table of contents. Alternatively: 1. <https://docs.freebsd.org/en/books/handbook/book/#top> 2. click within a non-linked area of the red header 3. press and hold the Tab key 4. it will take a long time to reach the table of contents.