Project the cell's edit string: the formula (=…), else the formatted text, with the leading
' restored for a quote-prefixed (text-forced) cell.
Parameters
cell: ICell
Returns string
Remarks
Exported for the grid editor layer, which needs the same text the input will display to decide which way
the box grows (a formula always grows to the right, whatever the cell's alignment).
Project the cell's edit string: the formula (
=…), else the formatted text, with the leading'restored for a quote-prefixed (text-forced) cell.