 style of appendices will be automatically changed in LaTeX/PDF and HTML output (usually in the form A, A.1, A.2, B, B.1, ‚Ä¶).

---
name: toc-collapse

# TOC Sidebar

New file: `_output.yml`

.pull-left[

```js
bookdown::gitbook:
  config:
    toc:
      collapse: none 
      scroll_highlight: yes
      before: |
        &lt;li&gt;&lt;a href="./"&gt;A Minimal Book Example&lt;/a&gt;&lt;/li&gt;
      after: |
        &lt;li&gt;&lt;a href="https://github.com/rstudio/bookdown" target="blank"&gt;Published w