idn(1) on Linux
The text 26977e00aa29, as Debian 11 (Bullseye) shipped it.
Internationalized Domain Names command line tool
Flags it lists
-
--allow-unassigned -
--debug -
--help -
--idna-to-ascii -
--idna-to-unicode -
--nfkc -
--no-tld -
--profile -
--punycode-decode -
--punycode-encode -
--quiet -
--stringprep -
--usestd3asciirules -
--version -
-V -
-a -
-d -
-e -
-h -
-n -
-p -
-s -
-u