Debian.Relation
data PkgName
data SrcPkgName
data BinPkgName
prettyPkgName
prettySrcPkgName
prettyBinPkgName
type AndRelation
type OrRelation
type Relations
data Relation
prettyRelation
data ArchitectureReq
data VersionReq
checkVersionReq
type RelParser a
class ParseRelations a