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[ Running Mathematica 9.0.1.0 under Ms Win XP Ver 5.1.2600 ]

Here I group toghter ;-) some relate questions about cell grouping, because I presume that they all pertain to the same cell options (or strictly siblings), but I can't figure out what they are.

I have just read SubTitle and SubSubTitle do not group by default and Making cells group but, may be, I misunderstood something.

Premise:

  1. I have set (Edit > Preferences > Show open/close icon for cell groups) 'On'

  2. I have set (Format > Edit stylesheet I have set ShowGroupOpener) 'True' for title / subtitle / subsubtitle / section /subsection / subsusbsection in the stylesheet we are talking about.

Now:

1a. Subtitle cell still don't show the group opener

1b. Subtitle cell still don't act as group operner/closer (I mean the opposite of Title or Section behaviour)

2. Subsubtitle cell show the group opener only after the first one. Example

  • title
  • subtitle
  • subsubtitle (no)
  • subsubtitle (yes)
  • subsubtitle (yes)

3. I have created a new style undertitle and set it options ShowGroupOpener but

3a GroupOpener is still missing

3b The same occur as described in 1b.

3c. After setting:

  1. AllowGroupCLose True
  2. CellGroupingRule {"TitleGrouping", 25} (I did because it is {"TitleGrouping", 20} for Subsubtitle and {"TitleGrouping", 30} for Section)
  3. AllowReverseGroupCLose 'True'

3d Still the same occur as described in 1b.

Can you, please, point out the underlying problems and dispel a bit of the havoc I made ?

Thanks !!

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  • $\begingroup$ Just to make sure, what are your problems are. Did you have any content under the cells you want to have a GroupOpener. The point is that if you have no content in the cells belonging to the group, the GroupOpener does not show up. $\endgroup$ – Alexei Boulbitch Mar 19 '15 at 12:51
  • $\begingroup$ its difficult to tell what goes wrong without seeing the full notebooks, but the group openers are only shown when there is something to open, that is at least one cell that belongs to the group which the cell would open/close. So I think the openers should appear as soon as you insert e.g. an empty text cell below those cells which don't show an opener... $\endgroup$ – Albert Retey Mar 19 '15 at 13:52
  • $\begingroup$ The GroupOpener doesn't appear despite of the text cells below the Subsubtitle. I have just now noticed that it appears if a cell is inserted above. $\endgroup$ – mitochondrial Mar 19 '15 at 17:42
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I have the same problem. The open and close button for the 1st subtitle, subsection... anyway the 1st of everything disappeared. Long time ago, it didn't look like this. pictures below show that the 1st disappear, while all others after the 1st appear

enter image description here

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  • $\begingroup$ Welcome to Mathematica.SE! I suggest the following: 1) As you receive help, try to give it too, by answering questions in your area of expertise. 2) Take the tour! 3) When you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember, if you ask a question, to accept the answer, if appropriate, by clicking the checkmark sign! $\endgroup$ – Michael E2 Jan 31 '16 at 19:45
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    $\begingroup$ This doesn't seem to be an answer to the question, but rather a comment. $\endgroup$ – Michael E2 Jan 31 '16 at 19:45

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