chapter Doc  (*Isabelle documentation*)
session Demo_LIPIcs (doc) = HOL +
  options [
    document_variants = "demo_lipics",  (*Isabelle documentation*)
    document_build = "lipics_pdflatex"  (*or: "lipics" for LuaLaTeX*)
  ]
  theories
    Document
  document_files
    "root.bib"
    "root.tex"