tables
Turning a branch into a grid
,tablethe marked line's children become the rows, and what those rows contain becomes the columns
columns are matched by element rather than by position, so rows may be written in any order and still line up
The marker is the control
on a table line the marker chip is replaced by a small control: switch back to the tree, or step the grid between one and two dimensions
that switch is only for the moment — a reload returns to the grid
Still only sets
a table is a way of looking, never a different kind of data
every cell is an ordinary set, and editing one in the tree changes the same thing