Origin for each line in dumpon.init from check-in 47c6cc1171:

5062c9b6fc 2019-10-19        arcade: # vim:ft=make:
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: DUMPDEV?=no
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: dumpon: random
47c6cc1171 2019-10-20        arcade: .if empty(DUMPDEV:tl:Mno)
5062c9b6fc 2019-10-19        arcade: 	: Setting dumpon device.
47c6cc1171 2019-10-20        arcade: 	dumpon -v ${DUMPDEV}
5062c9b6fc 2019-10-19        arcade: .endif