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CellGroupData

  • CellGroupData[ , , ... , Open] represents an open group of cells in a notebook.
  • CellGroupData[ , , ... , Closed] represents a closed group of cells.
  • When a group of cells is closed, only the first member of the group is visible.
  • When cells are entered into a notebook, they are automatically placed in groups unless CellGrouping->Manual is set.
  • See the Mathematica book: Section 2.10.7.
  • See also: Cell, CellGrouping, CellOpen.