.

wcfs/internal/xbtree/treediff.go

@@ -680,27 +680,11 @@ ABcov:
 								δtrack.Add.AddPath(bpath)
 								if nc := at.nchild; nc != 0 {
 									δtrack.δnchildNonLeafs[acOid] = nc
-									// XXX debugDiff δtrack [) ...
 								}
 							}
 
 							continue
 						}
-
-						/*
-						// adjust δtkeycov only if it was leaf bucket
-						if nc := at.nchild; nc == 0 {
-							ar := KeyRange{ac.lo, ac.hi_}
-							br := KeyRange{bc.lo, bc.hi_}
-							δtkeycovADel.AddRange(ar)
-							//δtkeycovBAdd.AddRange(br)
-							// XXX remove KKK vvv
-							debugfDiff("  δtrack - %s %v KKK\n", ar, apath)
-							debugfDiff("  δtrack + %s %v KKK\n", br, bpath)
-						}
-						*/
-
-//						continue
 					}
 				}
 

wcfs/internal/xbtree/δbtail_test.go

@@ -808,9 +808,9 @@ func xverifyΔBTail_Update1(t *testing.T, subj string, db *zodb.DB, treeRoot zod
 	δB1, err := δbtail_._Update1(δZ);  X(err)	// XXX don't compute treediff twice
 
 	// assert tkeyCov1 ⊂ tkeyCov2
-	x := tkeyCov1.Difference(tkeyCov2)
-	if !x.Empty() {
-		t.Errorf("BUG: tkeyCov1 ⊄ tkeyCov2:\n\ttkeyCov1: %s\n\ttkeyCov2: %s\n\ttkeyCov1 \\ tkeyCov2: %s", tkeyCov1, tkeyCov2, x)
+	dkeycov12 := tkeyCov1.Difference(tkeyCov2)
+	if !dkeycov12.Empty() {
+		t.Errorf("BUG: tkeyCov1 ⊄ tkeyCov2:\n\ttkeyCov1: %s\n\ttkeyCov2: %s\n\ttkeyCov1 \\ tkeyCov2: %s", tkeyCov1, tkeyCov2, dkeycov12)
 	}
 
 	// assert δtkeycov == δ(tkeyCov1, tkeyCov2)