Those are benign.
In any case it works fine on my computer (Fedora 31).
<<<<
octave:5> cd octave/tablicious-0.3.4/examples/
octave:6> ls
doc-cache ex_01_suppliers_parts.m
octave:7> ex_01_suppliers_parts
Table s:
----------------------------------
| SNum | SName | Status | City |
----------------------------------
| S1 | Smith | 20 | London |
| S2 | Jones | 10 | Paris |
| S3 | Blake | 30 | Paris |
| S4 | Clark | 20 | London |
| S5 | Adams | 30 | Athens |
----------------------------------
london_suppliers =
table: 2 rows x 4 variables
VariableNames: SNum, SName, Status, City
Suppliers in London:
----------------------------------
| SNum | SName | Status | City |
----------------------------------
| S1 | Smith | 20 | London |
| S4 | Clark | 20 | London |
----------------------------------
paris =
table: 1 rows x 4 variables
VariableNames: SNum, SName, Status, City
Paris suppliers with status >= 20:
---------------------------------
| SNum | SName | Status | City |
---------------------------------
| S3 | Blake | 30 | Paris |
---------------------------------
s2 =
table: 5 rows x 4 variables
VariableNames: SNum, SName, Status, SupplierCity
Joined tables:
-----------------------------------------------------------------------------------------
| SNum | PNum | Qty | SName | Status | SupplierCity | PName | Color | Weight | PartCity |
-----------------------------------------------------------------------------------------
| S1 | P1 | 300 | Smith | 20 | London | Nut | Red | 12 | London |
| S2 | P1 | 300 | Jones | 10 | Paris | Nut | Red | 12 | London |
| S1 | P2 | 200 | Smith | 20 | London | Bolt | Green | 17 | Paris |
| S2 | P2 | 400 | Jones | 10 | Paris | Bolt | Green | 17 | Paris |
| S3 | P2 | 200 | Blake | 30 | Paris | Bolt | Green | 17 | Paris |
| S4 | P2 | 200 | Clark | 20 | London | Bolt | Green | 17 | Paris |
| S1 | P3 | 400 | Smith | 20 | London | Screw | Blue | 17 | Oslo |
| S1 | P4 | 200 | Smith | 20 | London | Screw | Red | 14 | London |
| S4 | P4 | 300 | Clark | 20 | London | Screw | Red | 14 | London |
| S1 | P5 | 100 | Smith | 20 | London | Cam | Blue | 12 | Paris |
| S4 | P5 | 400 | Clark | 20 | London | Cam | Blue | 12 | Paris |
| S1 | P6 | 100 | Smith | 20 | London | Cog | Red | 19 | London |
-----------------------------------------------------------------------------------------
Delivery totals by city:
-------------------------------------
| PartCity | TotalQty | TotalWeight |
-------------------------------------
| London | 1200 | 16100 |
| Oslo | 400 | 6800 |
| Paris | 1500 | 23000 |
-------------------------------------
Delivery totals by city with extra info:
----------------------------------------------------------------
| PartCity | Parts | Colors | TotalQty | TotalWeight |
----------------------------------------------------------------
| London | P1, P4, P6 | Red | 1200 | 16100 |
| Oslo | P3 | Blue | 400 | 6800 |
| Paris | P2, P5 | Blue, Green | 1500 | 23000 |
----------------------------------------------------------------
octave:8>
Dmitri.