.

go/neo/internal/xsha1/xsha1.go

-// Copyright (C) 2017-2020  Nexedi SA and Contributors.
+// Copyright (C) 2017-2021  Nexedi SA and Contributors.
 //                          Kirill Smelkov <kirr@nexedi.com>
 //
 // This program is free software: you can Use, Study, Modify and Redistribute
@@ -48,6 +48,8 @@ func Sum(b []byte) [sha1.Size]byte {
 //
 // it is the same as regular SHA1, but returns all-zeros for empty b.
 // https://lab.nexedi.com/nexedi/neoppod/blob/c1c26894/neo/client/app.py#L464-468
+//
+// XXX merge into Sum?
 func NEOSum(b []byte) [sha1.Size]byte {
 	if len(b) == 0 {
 		return [sha1.Size]byte{} // all 0