_output.yml

bookdown::gitbook:
  css: style.css
  pandoc_args:
    # custom filter to handle fenced div
    - --lua-filter=fenced-blocks.lua
    # citation package
    - --csl="chicago-fullnote-bibliography.csl"  
  config:
    toc:
      before: |
        <li><a href="./">Fully Loaded Book</a></li>
      after: |
        <li><a href="https://github.com/rstudio/bookdown" target="blank">Published with bookdown</a></li>
    download:

bookdown::pdf_book:
  includes:
    in_header: latex-preamble.tex
    after_body: latex-backmatter.tex
    before_body: latex-frontmatter.tex
  pandoc_args:
    # custom filter to handle fenced div
    - --lua-filter=fenced-blocks.lua
    # this is a book, it should have chapters
    # this is default behavior when documentclass is book, but must be changed to use other styles.
    - --top-level-division=chapter
    # citation package
    - --csl="chicago-fullnote-bibliography.csl"
  latex_engine: xelatex
  keep_tex: yes