Maine: Fusion voting?

But that argument does not hold in New York, because in New York minor parties are allowed to nominate one of the major party candidates as their candidate as well -- and the votes cast for that candidate on any party lines on which his or her name appears are added to that candidate's total vote.
The procedure is called fusion or open ballot voting -- and the WFP is attempting to have it made law in Maine and many other states. Those who favor third parties as an alternative to the major parties should favor such a change -- and even someone like me, someone with grave reservations about third parties, sees positive aspects of this way of counting votes... (Kennebec Journal)