mrd6(8) on Linux
The text c690b7c0aa2a, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it. The page shows this text now.
an IPv6 Multicast routing daemon and framework
Flags it lists
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-A -
-D -
-f