Darcs.Patch.Depends
getTagsRight
areUnrelatedRepos
mergeThem
findCommonWithThem
countUsThem
removeFromPatchSet
optimizePatchset
deepOptimizePatchset
slightlyOptimizePatchset
getPatchesBeyondTag
getPatchesInTag
splitOnTag
newsetUnion
newsetIntersection
commuteToEnd
findUncommon
merge2FL