| TabsError | Distribution.InstalledPackageInfo |
| TemplateHaskell | Language.Haskell.Extension, Distribution.Extension, Distribution.Simple |
| TestCmd | Distribution.Simple.Setup, Distribution.Setup |
| ThisVersion | Distribution.Version, Distribution.Simple |
| TypeFamilies | Language.Haskell.Extension, Distribution.Extension, Distribution.Simple |
| TypeOperators | Language.Haskell.Extension, Distribution.Extension, Distribution.Simple |
| TypeSynonymInstances | Language.Haskell.Extension, Distribution.Extension, Distribution.Simple |
| tarBallName | Distribution.Simple.SrcDist |
| tarProgram | Distribution.Simple.Program |
| testedWith | Distribution.PackageDescription |
| toPathTemplate | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
