Origin for each line in swap.init from check-in 5062c9b6fc:

5062c9b6fc 2019-10-19        arcade: # vim:ft=make:
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: SWAP_ENABLED!=sysctl -n vm.swap_enabled
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: swap: savecore
5062c9b6fc 2019-10-19        arcade: .if ${SWAP_ENABLED} != 0
5062c9b6fc 2019-10-19        arcade: 	: Enabling swap.
5062c9b6fc 2019-10-19        arcade: 	swapon -a
5062c9b6fc 2019-10-19        arcade: .endif