@prefix cc: <http://creativecommons.org/ns#> .
@prefix dalicc: <https://dalicc.net/ns#> .
@prefix dalicclib: <https://dalicc.net/licenselibrary/> .
@prefix dcmitype: <http://purl.org/dc/dcmitype/> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix odrl: <http://www.w3.org/ns/odrl/2/> .
@prefix spdx: <http://spdx.org/rdf/terms#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

dalicclib:NGPL a odrl:Set ;
    cc:jurisdiction dalicc:worldwide ;
    cc:legalcode <https://opensource.org/license/NGPL> ;
    cc:license dalicclib:CC-BY-4.0 ;
    dct:alternative "NGPL",
        "Nethack General Public License" ;
    dct:hasVersion "1" ;
    dct:modified "2026-09-15"^^xsd:date ;
    dct:source <https://opensource.org/license/NGPL> ;
    dct:title "Nethack General Public License"@en ;
    spdx:licenseId "NGPL" ;
    odrl:duty [ a odrl:Duty ;
            odrl:action cc:ShareAlike ] ;
    odrl:permission [ a odrl:Permission ;
            odrl:action odrl:derive ;
            odrl:duty [ a odrl:Duty ;
                    odrl:action cc:Attribution ],
                [ a odrl:Duty ;
                    odrl:action cc:Notice ],
                [ a odrl:Duty ;
                    odrl:action cc:SourceCode ],
                [ a odrl:Duty ;
                    odrl:action dalicc:modificationNotice ],
                [ a odrl:Duty ;
                    odrl:action dalicc:noWarrantyNotice ] ],
        [ a odrl:Permission ;
            odrl:action odrl:reproduce ],
        [ a odrl:Permission ;
            odrl:action odrl:display ],
        [ a odrl:Permission ;
            odrl:action odrl:present ],
        [ a odrl:Permission ;
            odrl:action cc:CommercialUse ],
        [ a odrl:Permission ;
            odrl:action cc:DerivativeWorks ],
        [ a odrl:Permission ;
            odrl:action dalicc:ModifiedWorks ],
        [ a odrl:Permission ;
            odrl:action dalicc:chargeDistributionFee ],
        [ a odrl:Permission ;
            odrl:action odrl:distribute ;
            odrl:duty [ a odrl:Duty ;
                    odrl:action cc:Attribution ],
                [ a odrl:Duty ;
                    odrl:action cc:Notice ],
                [ a odrl:Duty ;
                    odrl:action cc:SourceCode ],
                [ a odrl:Duty ;
                    odrl:action dalicc:noWarrantyNotice ] ],
        [ a odrl:Permission ;
            odrl:action odrl:modify ;
            odrl:duty [ a odrl:Duty ;
                    odrl:action cc:Notice ],
                [ a odrl:Duty ;
                    odrl:action cc:SourceCode ],
                [ a odrl:Duty ;
                    odrl:action dalicc:modificationNotice ],
                [ a odrl:Duty ;
                    odrl:action dalicc:noWarrantyNotice ],
                [ a odrl:Duty ;
                    odrl:action cc:Attribution ] ] ;
    odrl:prohibition [ a odrl:Prohibition ;
            odrl:action dalicc:sublicense ],
        [ a odrl:Prohibition ;
            odrl:action dalicc:ChangeLicense ] ;
    odrl:target [ a odrl:AssetCollection ;
            dct:type dcmitype:Software ] ;
    dalicc:additionalClauses "You may not copy, sublicense, distribute or transfer NetHack except as expressly provided under this License Agreement. Any attempt otherwise to copy, sublicense, distribute or transfer NetHack is void and your rights to use the program under this License agreement shall be automatically terminated. However, parties who have received computer software programs from you with this License Agreement will not have their licenses terminated so long as such parties remain in full compliance.",
        "b) accompany it with full information as to how to obtain the complete machine-readable source code from an appropriate archive site. (This alternative is allowed only for noncommercial distribution.)",
        "b) cause the whole of any work that you distribute or publish, that in whole or in part contains or is a derivative of NetHack or any part thereof, to be licensed at no charge to all third parties on terms identical to those contained in this License Agreement (except that you may choose to grant more extensive warranty protection to some or all third parties, at your option)" ;
    dalicc:reviewStatus dalicc:Created ;
    dalicc:reviewedOn "2026-09-15"^^xsd:date ;
    dalicc:terminatesOnBreach true ;
    dalicc:validityType dalicc:perpetual ;
    dalicc:versionHistory <https://dalicc.net/licenselibrary/NGPL/versions> .