utf8gen(1) on Linux
The text 5f7ca8f3444c, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
Generate UTF-8 output from hexadecimal input
Flags it lists
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-E -
-c -
-e -
-n -
-r -
-s -
-u