mdoc-export-msxdoc(1) on Linux
The text 24e0b1334892, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Convert mdoc(5) XML to Microsoft XML Documentation
Flags it lists
-
--help -
--out -
-? -
-h -
-o