How to change TOC depth in R Bookdown (GitBook)?

Question

I use GitBook format through R bookdown. I need to use at least four levels in the table of contents (TOC). The default is three. How can I change the depth of TOC?

UPDATE

Now the toc-related contents of my _output.yml file look like this:

bookdown::gitbook:
  config:
    toc_depth: 4
    toc:
      collapse: section
      scroll_highlight: yes
      before: |
        <li><a href="../index.html"><b>Main</b></a></li>
      after: |
        <li><a href="../index.html"><b>Main</b></a></li>

config: toc_depth: 4 does not work.

GegznaV · Accepted Answer · 2018-04-23 18:33:54Z

13

Try adding the following to your _output.yml file:

bookdown::gitbook:
    toc_depth: 2

edited Apr 23, 2018 at 18:33

GegznaV

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answered Apr 22, 2018 at 13:40

Erik

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