Relation:insert

Adds a new row to the current relation.

insert expressionlist

example	comment
`insert 2, 3`	-
`insert "Godard", 1959`	-
`insert 2, 3*4`	expressions are evaluated
`relation n set I 0 while n < 10 insert I set i I+1 end while`	a relation with the numbers from 0 to 9.

The number of expressions must be the same as the number of columns of the relation.

You an add rows to any relation, also those created with read or calculated relations.