Unfortunate language/protocol name reusal. Watch out for these.
https://www.se.com/ww/en/download/document/998-2095-18-12-19...
62 karma · joined December 14, 2016
https://www.se.com/ww/en/download/document/998-2095-18-12-19...
0-9 and a-f are unambiguous and widely understood. They’re more “human readable”.