@@ -400,7 +400,7 @@ mergeTransactions stamp newId parentId mergeStrategy (headNameA, headNameB) grap
400400 transA <- transactionForHeadErr headNameA
401401 transB <- transactionForHeadErr headNameB
402402 disconParent <- transactionForId parentId graph
403− let subHeads = M.filterWithKey (\k _ -> elem k [headNameA, headNameB]) (transactionHeadsForGraph graph)
403+ let subHeads = M.filterWithKey (\k _ -> k `elem` [headNameA, headNameB]) (transactionHeadsForGraph graph)
404404 subGraph <- subGraphOfFirstCommonAncestor graph subHeads transA transB S.empty
405405 subGraph' <- filterSubGraph subGraph subHeads
406406 case createMergeTransaction stamp newId mergeStrategy subGraph' (transA, transB) of