* admin/notes/unicode: Mention this. * lisp/international/titdic-cnv.el: Go back to iso-2022-7bit for this file, since utf-8-emacs unified characters that tsanq-quick-converter did not want unified. Problem reported by Eli Zaretskii in: https://lists.gnu.org/r/emacs-devel/2020-01/msg00156.html