001+ string(15) "bob,example,com"
002+ string(21) "bob,users,example,com"
003+ string(17) "<bob>,example,com"
001- string(16) "bob, example.com"
002- string(23) "bob, users, example.com"
003- bool(false)
006+ string(11) "example,com"
006- bool(false)