bookdown::gitbook:
  css: css/style.css
  config:
    toc:
      collapse: section
      before: |
        <li><a href="./">数据分析之道</a></li>
#    download: [pdf, epub]
    edit: https://github.com/ShixiangWang/geek-r-tutorial/edit/master/%s
    sharing:
      github: yes
      twitter: yes
bookdown::pdf_book:
  includes:
    in_header: latex/preamble.tex
    before_body: latex/before_body.tex
    after_body: latex/after_body.tex
  keep_tex: yes
  dev: "cairo_pdf"
  latex_engine: xelatex
  citation_package: natbib
  template: latex/template.tex
  pandoc_args: "--top-level-division=chapter"
  toc_depth: 3
  toc_unnumbered: no
  toc_appendix: yes
  quote_footer: ["\\begin{flushright}", "\\end{flushright}"]
bookdown::epub_book:
  stylesheet: css/style.css