A concrete and practical solution, which has been proven to work in hours,
engineered from well-known principles of human behavior:
<http://www.camblab.com/misc/univ_std.txt>
derived from
<http://www.camblab.com/nugget/spam_03.pdf>.
Suggestions welcome. When I get some time (maybe in April) I may
get to put this into the RFC-draft hopper. Needs a day of
reformatting I've not gotten to yet. Anyone who has done this
and could volunteer to help, contact me offlist.
Kind regards to all,
Jeffrey Race, today in Bangkok Thailand