They are,
But there seem to be some very dubious definitions of marsupial on the interweb.
/keeps searching
(
gronkpan https://twitter.com/VomitingLarry,
Fri 17 Dec 2004, 16:28,
archived)
I always use
RFC 2229 :)
(
techierob,
Fri 17 Dec 2004, 16:30,
archived)