ab344a44_e_journal_of_Apple_technology___Effect
[Constant] lNoRect [Value] 8 [Effect] 
Disable the feature which allows the user to shrink a selection by Shift-clicking to select a range of cells and then dragging the cursor to a position within that range. (With this feature is disabled, all cells in the cursor's path during a Shift-drag become selected even if the user drags the cursor back over the cell.)
MacTech | The journal of Apple technology.