| TabsError | Distribution.ParseUtils, Distribution.InstalledPackageInfo |
| targetBuildDepends | Distribution.PackageDescription |
| tarProgram | Distribution.Simple.Program.Builtin, Distribution.Simple.Program |
| TemplateHaskell | Language.Haskell.Extension, Distribution.Simple |
| testCommand | Distribution.Simple.Setup |
| testDistPref | Distribution.Simple.Setup |
| testedWith | Distribution.PackageDescription |
| TestFlags |
| 1 (Type/Class) | Distribution.Simple.Setup |
| 2 (Data Constructor) | Distribution.Simple.Setup |
| testVerbosity | Distribution.Simple.Setup |
| Text | Distribution.Text |
| thisPackageVersion | Distribution.Package, Distribution.Make, Distribution.Simple |
| ThisVersion | Distribution.Version, Distribution.Simple |
| thisVersion | Distribution.Version, Distribution.Simple |
| toFilePath | Distribution.ModuleName |
| toFlag | Distribution.Simple.Setup |
| toPathTemplate | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| topHandler | Distribution.Simple.Utils |
| topologicalOrder | Distribution.Simple.PackageIndex |
| toUTF8 | Distribution.Simple.Utils |
| toVersionIntervals | Distribution.Version, Distribution.Simple |
| TransformListComp | Language.Haskell.Extension, Distribution.Simple |
| trueArg | Distribution.Simple.Setup |
| tryGetConfigStateFile | Distribution.Simple.Configure |
| TypeFamilies | Language.Haskell.Extension, Distribution.Simple |
| TypeOperators | Language.Haskell.Extension, Distribution.Simple |
| TypeSynonymInstances | Language.Haskell.Extension, Distribution.Simple |
