| Handler | Darcs.Util.Workaround |
| HappyForwarding | Darcs.UI.Options.Flags, Darcs.UI.Flags |
| happyForwarding | Darcs.UI.Options.All |
| hasAuthor | Darcs.UI.Flags |
| Hash | Darcs.Util.Hash, Darcs.Util.Tree |
| hashBundle | Darcs.Patch.Bundle |
| Hashed | |
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags |
| 2 (Data Constructor) | Darcs.Patch.PatchInfoAnd |
| hashed | Darcs.UI.Options.All |
| HashedDir | Darcs.Repository.Cache, Darcs.Repository |
| hashedDir | Darcs.Repository.Cache |
| hashedFilePath | Darcs.Repository.Cache |
| HashedInventoriesDir | Darcs.Repository.Cache, Darcs.Repository |
| HashedInventory | Darcs.Repository.Format |
| hashedInventory | Darcs.Repository.HashedRepo |
| HashedIO | Darcs.Repository.HashedIO |
| HashedPatchesDir | Darcs.Repository.Cache, Darcs.Repository |
| HashedPristine | Darcs.Repository.InternalTypes |
| HashedPristineDir | Darcs.Repository.Cache, Darcs.Repository |
| hashedTreeIO | Darcs.Util.Tree.Hashed |
| hashPS | Darcs.Util.ByteString |
| hasIndexRange | Darcs.Patch.Match |
| hasLogfile | Darcs.UI.Flags |
| hasMaliciousPath | Darcs.UI.CommandsAux |
| hasSummary | Darcs.UI.Flags |
| hasXmlOutput | Darcs.UI.Flags |
| haveNonrangeMatch | Darcs.Patch.Match |
| havePatchsetMatch | Darcs.Patch.Match |
| haveSendmail | Darcs.UI.External |
| hcat | Darcs.Util.Printer |
| head | Darcs.Prelude |
| HeaderFields | |
| 1 (Type/Class) | Darcs.UI.Options.All |
| 2 (Data Constructor) | Darcs.UI.Options.All |
| headerFields | Darcs.UI.Options.All |
| headPermutationsFL | Darcs.Patch.Permutations |
| headPermutationsRL | Darcs.Patch.Permutations |
| Help | |
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags |
| 2 (Data Constructor) | Darcs.UI.Options.All |
| helpCmd | Darcs.UI.Commands.Help |
| helpFor | Darcs.UI.SelectChanges |
| helpOnMatchers | Darcs.Patch.Match |
| hGetContents | Darcs.Util.Ratified |
| HiddenCommand | Darcs.UI.Commands |
| hiddenCommand | Darcs.UI.Commands |
| hiddenP | Darcs.Util.Printer |
| hiddenPrefix | Darcs.Util.Printer |
| hiddenPrintable | Darcs.Util.Printer |
| hiddenText | Darcs.Util.Printer |
| High | Darcs.Util.Download.Request |
| HijackOptions | Darcs.UI.PatchHeader |
| HijackT | Darcs.UI.PatchHeader |
| hooks | Darcs.UI.Options.All |
| Hopefully | |
| 1 (Type/Class) | Darcs.Patch.PatchInfoAnd |
| 2 (Data Constructor) | Darcs.Patch.PatchInfoAnd |
| hopefully | Darcs.Patch.PatchInfoAnd |
| hopefullyM | Darcs.Patch.PatchInfoAnd |
| hPutDoc | Darcs.Util.Printer |
| hPutDocCompr | Darcs.Util.Printer |
| hPutDocLn | Darcs.Util.Printer |
| hPutDocLnWith | Darcs.Util.Printer |
| hPutDocWith | Darcs.Util.Printer |
| hsep | Darcs.Util.Printer |
| HumanReadable | |
| 1 (Data Constructor) | Darcs.UI.Options.Flags, Darcs.UI.Flags |
| 2 (Data Constructor) | Darcs.UI.Options.All |
| humanReadable | Darcs.UI.Options.All |
| Hunk | |
| 1 (Type/Class) | Darcs.Patch.Prim.FileUUID.Core |
| 2 (Data Constructor) | Darcs.Patch.Prim.FileUUID.Core |
| 3 (Data Constructor) | Darcs.Patch.Prim.V1.Core |
| hunk | Darcs.Patch.Prim.Class, Darcs.Patch.Prim, Darcs.Patch |
| hunkEdit | Darcs.Patch.Prim.FileUUID.Core |
| hunkMatches | Darcs.Patch.Inspect, Darcs.Patch.Patchy, Darcs.Patch |