License type needed

[Paul Goyette <paul%whooppee.com@localhost>]

Folks,

I've just recently finished packaing up the old game of dungeon (the 
forerunner of Zork), and would like to commit it to pkgsrc.  But this 
package needs a "commercial use is strictly prohibited" license.

Is there a list somewhere of all the valid licenses for pkgsrc?

Is there a suggestion of an existing license that would be appropriate 
for this package?

Thanks!


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