After reading the TOC:

Sections present in wikisrc but not present in htdocs
=====================================================
11.5. Multiple audio devices
<https://wiki.netbsd.org/guide/audio/#index5h2>
-----------------------------------------------
 - Instead of manually adjusting symlinks `audiocfg default' can be used.

30.5. Sources on CD (ISO)
<https://wiki.netbsd.org/guide/fetch/#index5h2>
-----------------------------------------------
 - No longer relevant, can be removed: source ISOs are no longer provided since
   7.0.


TODO: Investigate via CVS log any other possible interesting edit that
TODO: needs to be incorporated in htdocs