.

wcfs/internal/zdata/δftail.go

@@ -759,8 +759,8 @@ func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*reado
 			if epoch > lo { // it could be <=
 				δf := vδfTail(epoch)
 				δf.Epoch = true
-				δf.Blocks = nil // XXX must be already nil
-				δf.Size = false // XXX must be already false
+				δf.Blocks = nil // should be already nil
+				δf.Size = false // should be already false
 			}
 		}
 	}