Rules of the game for checksums in portfiles

[Marko Käning]

>since `port -v checksum` instantly produces a checksums line for you,
>why not use 3?

Thanks Josh!

Had in the meantime found the three-liner in the MacPorts guide in section 4.2.13,
BUT I figure it would be advisable to also present this one-liner in there!!!

Greets,
Marko