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RE: Open and Close Groups, *one level at a time*?

  • To: mathgroup at
  • Subject: [mg44648] RE: [mg44628] Open and Close Groups, *one level at a time*?
  • From: "David Park" <djmp at>
  • Date: Wed, 19 Nov 2003 04:59:13 -0500 (EST)
  • Sender: owner-wri-mathgroup at

There are two features that I would find even more useful in standard style

1) The GroupOpenCloseIcon would automatically be on all Section, Subsection
and Subsubsection heading cells. (But not on Input/Output groups.) New users
seem to find the triangular icons intuitive and are often confused by the
right hand brackets, which are less convenient anyway.

2) Many textbooks have Boxes with side discussion. The regular text flows
around the Boxes. But in Mathematica you can't have text and Input/Output
cells flow around a subsection. At least without manually altering their
grouping characteristics. If would be nice if one could have a Section
starting with some text cells and Input/Output cells; then a Subsection with
ancillary material including text cells and Input/Output cells. Then one
could somehow mark the end of the Subsection, or perhaps close it. Then the
next text or Input cell you typed would be in the outer Section and NOT in
the Subsection. Perhaps Mathematica could detect this if the Subsection was
closed, or perhaps there could be an EndSubsection statement, or perhaps
there could be a new type grouping called a BoxGroup. This ability would be
very convenient for a smooth flow of presentation in a notebook. The box
groups might also contain code that goes with certain material but that
isn't essential for the reader to view on a first reading.

David Park
djmp at

From: AES/newspost [mailto:siegman at]
To: mathgroup at

In developing and editing long notebooks, sure would be nice to be able
to Open and Close groups of cells in an entire Notebook -- and also,
importantly, just within one subgroup of a notebook -- **just by one
hierarchical level at a time**  (the essence of a hierarchical grouping
or outlining capability).

Haven't found a way to do this yet -- is there such?

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