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While exporting following sample org file content to html, final output skips headings from 3rd depth in table of content.

After reading org documentation, and forum questions, I tried following, but still no luck in exporting all sub headings.

  1. Changed org-imenu-depth to 4
  2. Changed imenu-auto-rescan to a non-nil value
  3. Chanaged imenu auto rescan maxout to 600000 as file size is 400 KB.

Sample:

* Head 1 shown
* Head 2 shown
** Head 2.1 shown
*** Head 2.3 not shown
* Head 3

Emacs version: GNU Emacs 26.1 (build 1, x86_64-w64-mingw32) of 2018-05-30

Org mode 9.1.9

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  • 1
    Try inserting #+OPTIONS: H:3 at the top of the org file.
    – Tobias
    Jun 13, 2019 at 15:22
  • Tried, but seems not working.
    – msinfo
    Jun 13, 2019 at 15:25
  • What emacs version, what org-version, have you tried with emacs -Q and M-x package-initialize?
    – Tobias
    Jun 13, 2019 at 15:27
  • 1
    What is the value of org-export-headline-levels? Note, that org-export has (AFAIK) nothing to do with imenu. Pitingly, that means that all your attempts are pointless with respect to html export. You can start emacs -Q from within emacs. Just use M-& emacs -Q. This is just for testing. (So you do not need the runemacs stuff. Just ignore the additional Windows window.) After starting up Emacs run M-x package-initialize and afterwards do your tests.
    – Tobias
    Jun 13, 2019 at 15:50
  • 1
    @msinfo: those references to imenu (and imenu in general, as @Tobias points out) have nothing to do with HTML export
    – NickD
    Jun 13, 2019 at 17:26

1 Answer 1

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org-export-headline-levels is the option determining up to which level headlines are included in the table of contents of the exported document.

The standard value of org-export-headline-levels in Orgmode 9.1.9 is 3.

I tested your example org file with this standard setting and Head 2.3 was also included in the table of contents. That indicates that you have customized org-export-headline-levels to a lower value in your configuration.

You can easily increase the default value for org-export-headline-levels with M-x customize-option RET org-export-headline-levels RET.

All org documents will work with this default value if you do not set the value of org-export-headline-levels explicitly in the document.

You can set the value explicitly locally for one org document with a line like the following:

#+OPTIONS: H:5

Adapt the value 5 to your likings.

Equivalently you can set the option as file local variable:

  1. Either use the following first line for the org file:
    # -*- org-export-headline-levels: 5 -*-

  2. or append the following section to your org file. It does not hurt since it is excluded from export.

    * Local Variables :noexport:
    Local Variables:
    org-export-headline-levels: 5
    End:
    

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