.

go/neo/proto/proto.go

@@ -339,7 +339,7 @@ type Checksum [20]byte
 
 // PTid is Partition Table identifier.
 //
-// Zero value means "invalid id" (<-> None in py.PPTID)		XXX = nil in msgpack
+// Zero value means "invalid id" (<-> None in py.PPTID, nil in msgpack)
 type PTid uint64
 
 // IdTime represents time of identification.
@@ -482,8 +482,8 @@ type Recovery struct {
 
 type AnswerRecovery struct {
 	PTid
-	BackupTid   zodb.Tid	// XXX nil <-> 0
-	TruncateTid zodb.Tid	// XXX nil <-> 0
+	BackupTid   zodb.Tid
+	TruncateTid zodb.Tid
 }
 
 // Ask the last OID/TID so that a master can initialize its TransactionManager.

go/neo/proto/protogen.go

@@ -1010,7 +1010,7 @@ func (s *sizerM) genBasic(path string, typ *types.Basic, userType types.Type) {
 		upath = fmt.Sprintf("%s(%s)", typ.Name(), upath)
 	}
 
-	// zodb.Tid and zodb.Oid are encoded as [8]bin	XXX or nil?
+	// zodb.Tid and zodb.Oid are encoded as [8]bin	XXX or nil for INVALID_{TID_OID}
 	if userType == zodbTid || userType == zodbOid {
 		 s.size.Add(1+1+8) // mbin8 + 8 + [8]data
 		 return
@@ -1046,7 +1046,7 @@ func (e *encoderM) genBasic(path string, typ *types.Basic, userType types.Type)
 		upath = fmt.Sprintf("%s(%s)", typ.Name(), upath)
 	}
 
-	// zodb.Tid and zodb.Oid are encoded as [8]bin	XXX or nil ?
+	// zodb.Tid and zodb.Oid are encoded as [8]bin	XXX or nil
 	if userType == zodbTid || userType == zodbOid {
 		e.emit("data[%v] = byte(msgpack.Bin8)", e.n);  e.n++
 		e.emit("data[%v] = 8",     e.n);               e.n++