Spacing Cell (Character Section)
Controls the amount of space between two or more characters. Space can be added or subtracted in 1/20th point increments.
You can also set the value of this cell by using the Text dialog box (on the Home tab, click the Font arrow).
To get a reference to the Spacing cell by name from another formula, or from a program using the CellsU property, use:
Char.Letterspace[i] where i = <1>, 2, 3...
To get a reference to the Spacing cell by index from a program, use the CellsSRC property with the following arguments:
visRowCharacter + i where i = 0, 1, 2...