• CellOpen is an option for cells that determines if the contents of a cell should be displayed.
• With the setting CellOpenFalse, a small cell bracket is still shown to indicate the presence of a cell. • Cells that are not open can still be evaluated automatically if you set CellAutoEvaluateTrue. • See also: Visible, CellGroupData, ConversionRules.
False, a small cell bracket is still shown to indicate the presence of a cell. 