This is subsumed almost entirely by P2314. If there is any further work, it
would be a new paper that references the old, and based on the work done
since then. I don't plan to do further work, nor do I see a strong need for
work, on P1859.

It does propose that the encoding specified at runtime based on locale have
a shorter name, dynamic encoding, but did not propose any wording regarding
that. That might be a term useful if we ever do some cleanup in the library
sections in the future.