The utf8add bundle is copyright © 2020 Palle Jorgensen
(hamselv@pallej.dk) under the GNU GENERAL PUBLIC LICENSE. View LICENSE
for details.

The bundle contains the packages

utf8add.sty
utf8hax.sty

The utf8add package provides additional support for the use of UTF-8
encoded input. This is intended for making LaTeX input more readable.

The utf8hax package is using UTF-8 characters for easier access to
math in LaTeX. However making the LaTeX input less readable.

Request for additional support can be emailed to the author.