If you're curious about the 'petnames' mentioned on that page, http://www.erights.org/elib/capability/pnml.html http://www.erights.org/elib/capability/pnml.html

If you're curious about the 'petnames' mentioned on that page, http://www.erights.org/elib/capability/pnml.html http://www.erights.org/elib/capability/pnml.html was where the term came from, in the early 2000s. (At least I assume it's the same idea; I clicked around the GNS documentation very briefly without finding their explanation.) There's also https://en.wikipedia.org/wiki/Petname https://en.wikipedia.org/wiki/Petname