| UMask |  | 
| 1 (Type/Class) | Darcs.Repository.Flags, Darcs.UI.Options.All | 
| 2 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| umask |  | 
| 1 (Function) | Darcs.UI.Options.All | 
| 2 (Function) | Darcs.UI.Flags | 
| 3 (Function) | Darcs.UI.Commands.Record | 
| unadd | Darcs.UI.Commands.Remove | 
| Unavailable | Darcs.Patch.PatchInfoAnd | 
| unavailable | Darcs.Patch.PatchInfoAnd | 
| unBracketed | Darcs.Patch.Bracketed | 
| unBracketedFL | Darcs.Patch.Bracketed | 
| Uncachable | Darcs.Util.Download.Request, Darcs.Util.Download, Darcs.Repository.External | 
| UnCompress | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| under | Darcs.UI.Options.Iso | 
| unDoc | Darcs.Util.Printer | 
| unFreeLeft | Darcs.Patch.Witnesses.Sealed | 
| unFreeRight | Darcs.Patch.Witnesses.Sealed | 
| unidiff | Darcs.UI.Options.All | 
| Unified | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| Union |  | 
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| 2 (Data Constructor) | Darcs.UI.Options.All | 
| unionCaches | Darcs.Repository.Cache | 
| unionRemoteCaches | Darcs.Repository.Cache | 
| Unknown | Darcs.Patch.Prim.V1.Commute | 
| UnknownFormat | Darcs.Repository.Format | 
| unlinesPS | Darcs.Util.ByteString | 
| unlink | Storage.Hashed.Monad | 
| unNon | Darcs.Patch.V2.Non | 
| unpackPSFromUTF8 | Darcs.Util.ByteString | 
| unpull | Darcs.UI.Commands.Unrecord | 
| unravel | Darcs.Patch.V1.Commute | 
| unrecord | Darcs.UI.Commands.Unrecord | 
| unrecordedChanges | Darcs.Repository.State, Darcs.Repository | 
| unrecordedChangesWithPatches | Darcs.Repository.State, Darcs.Repository | 
| unrevert | Darcs.UI.Commands.Unrevert | 
| unrevertUrl | Darcs.Repository.Internal, Darcs.Repository | 
| unsafeBoth | Darcs.Util.Printer | 
| unsafeBothText | Darcs.Util.Printer | 
| unsafeChar | Darcs.Util.Printer | 
| unsafeCoerceP | Darcs.Patch.Witnesses.Unsafe | 
| unsafeCoerceP1 | Darcs.Patch.Witnesses.Unsafe | 
| unsafeCoerceP2 | Darcs.Patch.Witnesses.Unsafe | 
| unsafeCoercePEnd | Darcs.Patch.Witnesses.Unsafe | 
| unsafeCoercePStart | Darcs.Patch.Witnesses.Unsafe | 
| unsafeCompare | Darcs.Patch.Witnesses.Eq | 
| unsafePackedString | Darcs.Util.Printer | 
| unsafeText | Darcs.Util.Printer | 
| unsafeToCalendarTime | Darcs.Util.IsoDate | 
| unsafeUnseal | Darcs.Patch.Witnesses.Sealed | 
| unsafeUnseal2 | Darcs.Patch.Witnesses.Sealed | 
| unsafeUnsealFlipped | Darcs.Patch.Witnesses.Sealed | 
| unsafeWithInternals | Darcs.Util.ByteString | 
| unseal | Darcs.Patch.Witnesses.Sealed | 
| unseal2 | Darcs.Patch.Witnesses.Sealed | 
| unsealFlipped | Darcs.Patch.Witnesses.Sealed | 
| unsealM | Darcs.Patch.Witnesses.Sealed | 
| unset | Darcs.Repository.HashedRepo | 
| unsetTime | Darcs.Util.IsoDate | 
| unWPatchInfo | Darcs.Patch.PatchInfoAnd | 
| updateIndex |  | 
| 1 (Function) | Storage.Hashed.Index | 
| 2 (Function) | Darcs.Repository.State | 
| updateIndexFrom | Storage.Hashed.Index | 
| updatePatchHeader | Darcs.UI.Commands.Amend | 
| UpdatePristine |  | 
| 1 (Type/Class) | Darcs.Repository.Internal | 
| 2 (Data Constructor) | Darcs.Repository.Internal | 
| updateSubtrees | Storage.Hashed.Tree | 
| updateTree | Storage.Hashed.Tree | 
| UpdateWorking | Darcs.Repository.Flags | 
| UpToHash |  | 
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| 2 (Data Constructor) | Darcs.Patch.Match, Darcs.UI.Options.Matching, Darcs.UI.Options.All | 
| UpToPatch |  | 
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| 2 (Data Constructor) | Darcs.Patch.Match, Darcs.UI.Options.Matching, Darcs.UI.Options.All | 
| UpToPattern |  | 
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| 2 (Data Constructor) | Darcs.Patch.Match, Darcs.UI.Options.Matching, Darcs.UI.Options.All | 
| UpToTag |  | 
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| 2 (Data Constructor) | Darcs.Patch.Match, Darcs.UI.Options.Matching, Darcs.UI.Options.All | 
| url | Darcs.Util.Download.Request | 
| urlOf | Darcs.Util.URL | 
| UrlRequest |  | 
| 1 (Type/Class) | Darcs.Util.Download.Request | 
| 2 (Data Constructor) | Darcs.Util.Download.Request | 
| UrlState |  | 
| 1 (Type/Class) | Darcs.Util.Download.Request | 
| 2 (Data Constructor) | Darcs.Util.Download.Request | 
| usage | Darcs.UI.Commands | 
| usageHelper | Darcs.UI.Commands | 
| usageInfo | Darcs.UI.Usage | 
| useAbsoluteOrStd | Darcs.Util.Path | 
| UseCache | Darcs.Repository.Flags, Darcs.UI.Options.All | 
| useCache |  | 
| 1 (Function) | Darcs.UI.Options.All | 
| 2 (Function) | Darcs.UI.Flags | 
| 3 (Function) | Darcs.UI.Commands.Record | 
| useExternalMerge | Darcs.UI.Options.All | 
| UseFormat1 | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| UseFormat2 | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| UseIndex |  | 
| 1 (Type/Class) | Darcs.Repository.Flags, Darcs.UI.Options.All, Darcs.Repository.State | 
| 2 (Data Constructor) | Darcs.Repository.Flags, Darcs.UI.Options.All, Darcs.Repository.State | 
| useIndex |  | 
| 1 (Function) | Darcs.UI.Options.All | 
| 2 (Function) | Darcs.UI.Flags | 
| 3 (Function) | Darcs.UI.Commands.Record | 
| UseMyersDiff | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| UseNoWorkingDir | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| usePacks |  | 
| 1 (Function) | Darcs.UI.Options.All | 
| 2 (Function) | Darcs.UI.Flags | 
| UsePatienceDiff | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| userchunk | Darcs.Util.Printer | 
| userchunkP | Darcs.Util.Printer | 
| userchunkPS | Darcs.Util.Printer | 
| UseWorkingDir | Darcs.UI.Options.Flags, Darcs.UI.Flags | 
| useWorkingDir | Darcs.UI.Options.All | 
| UUID |  | 
| 1 (Type/Class) | Darcs.Patch.Prim.V3.ObjectMap, Darcs.Patch.Prim.V3.Core | 
| 2 (Data Constructor) | Darcs.Patch.Prim.V3.ObjectMap, Darcs.Patch.Prim.V3.Core |