IDN2(1) IDN2(1) (NAME) idn2 - Libidn2 (SYNOPSIS) idn2 []... []... (DESCRIPTION) idn2 (DNS) UTF-8 (ACE) DNS . (IDNA2008/TR46) . (IDNA2008) . IDNA2008 Libidn2. (locale charset) . `-' `-foo' `--' `idn2 --quiet -- -foo'. . (OPTIONS) -h, --help -V, --version -d, --decode (punycode) -l, --lookup () -r, --register (label) -T, --tr46t TR46 -N, --tr46nt TR46 --no-tr46 TR46 --usestd3asciirules STD3 ASCII --no-alabelroundtrip A-label --debug --quiet (AUTHORS) Simon Josefsson Tim Ruehsen. (REPORTING BUGS) : help-libidn@gnu.org Libidn2: : (COPYRIGHT) (C) 2011-2025 Simon Josefsson, Tim Ruehsen. GPLv3+: GPL . : . . (SEE ALSO) idn(1) idn2 Texinfo . info idn2 info idn2 . Libidn2 2.3.8 March 2025 IDN2(1)