I can confirm this.
Additional info:
$ ufw --version ufw 0.30pre1-0ubuntu2
$ locale LANG=ru_RU.utf8 LC_CTYPE="ru_RU.utf8" LC_NUMERIC="ru_RU.utf8" LC_TIME="ru_RU.utf8" LC_COLLATE="ru_RU.utf8" LC_MONETARY="ru_RU.utf8" LC_MESSAGES="ru_RU.utf8" LC_PAPER="ru_RU.utf8" LC_NAME="ru_RU.utf8" LC_ADDRESS="ru_RU.utf8" LC_TELEPHONE="ru_RU.utf8" LC_MEASUREMENT="ru_RU.utf8" LC_IDENTIFICATION="ru_RU.utf8" LC_ALL=
I can confirm this.
Additional info:
$ ufw --version
ufw 0.30pre1-0ubuntu2
$ locale "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" "ru_RU. utf8" ON="ru_ RU.utf8"
LANG=ru_RU.utf8
LC_CTYPE=
LC_NUMERIC=
LC_TIME=
LC_COLLATE=
LC_MONETARY=
LC_MESSAGES=
LC_PAPER=
LC_NAME=
LC_ADDRESS=
LC_TELEPHONE=
LC_MEASUREMENT=
LC_IDENTIFICATI
LC_ALL=