.

wcfs/internal/zdata/δftail.go

@@ -514,7 +514,12 @@ func (δFtail *ΔFtail) SliceByFileRev(zfile *ZBigFile, lo, hi zodb.Tid) /*reado
 	}
 
 
-	// XXX reverse vδf before return
+	// vδf was built in reverse order
+	// invert the order before returning
+	for i,j := 0, len(vδf)-1; i<j; i,j = i+1,j-1 {
+		vδf[i], vδf[j] = vδf[j], vδf[i]
+	}
+
 	return vδf
 
 /*