Inserting a row to a table

You can add a row by either a copy/paste operation over a row, or directly, by invoking the action from the contextual menu: TableInsert row

The icon is:

A shorter way of inserting a new row is to move the selection over the row header, and then to press ENTER. The row header is the zone in the left of the row that holds the row number. The inserted row will be bellow the selection.