has anyone else noticed that makenl is generating 10 character serial numbers?

Opening 4515.msg
Subj: net135.seg received
Attr: 0x0189 (PRIVATE, SENT, KILLSENT, LOCAL)
To  : Coordinator (1.135/0.0)
From: MakeNL 3.4.8 (1.18/0.0)
Time: 27 Jul 19  05:38:31
@INTL 1:135/0 1:18/0
MSGID: 1:18/0 58585858f0
Your nodelist update 'net135.seg' has been received and processed without
error.


Opening 4516.msg
Subj: net3634.seg received
Attr: 0x0185 (PRIVATE, RECV, KILLSENT, LOCAL)
To  : Coordinator (1.3634/0.0)
From: MakeNL 3.4.8 (1.18/0.0)
Time: 27 Jul 19  05:38:31
@INTL 1:3634/0 1:18/0
MSGID: 1:18/0 58585858f1
Your nodelist update 'net3634.seg' has been received and processed without
error.


Opening 4517.msg
4517.msg !Message missing terminator (0A instead of 00)
Subj: /home/sbbs/fidonet/makenlng/fidonet/R18/master/r18s.208
Attr: 0x0199 (PRIVATE, SENT, FILE, KILLSENT, LOCAL)
To  : Coordinator (1.229/426.0)
From: MakeNL 3.4.8 (1.18/0.0)
Time: 27 Jul 19  05:38:41
@INTL 1:229/426 1:18/0
MSGID: 1:18/0 58585858f3


)\/(ark

Once men turned their thinking over to machines in the hope that this would set
 them free. But that only permitted other men with machines to enslave them.
... Do we care? A-Are we caring about that?
---
 * Origin:  (1:3634/12.73)