This example missed being updated when we redefined \crosstabview's
argument processing.
Daniel Vérité
testdb=> SELECT t1.first as "A", t2.first+100 AS "B", t1.first*(t2.first+100) as "AxB",
testdb(> row_number() over(order by t2.first) AS ord
testdb(> FROM my_table t1 CROSS JOIN my_table t2 ORDER BY 1 DESC
-testdb(> \crosstabview A B:ord AxB
+testdb(> \crosstabview "A" "B" "AxB" ord
A | 101 | 102 | 103 | 104
---+-----+-----+-----+-----
4 | 404 | 408 | 412 | 416