{ chan ? "a7ecde854aee5c4c7cd6177f54a99d2c1ff28a31"  # 21.11
, pkgs ? import (builtins.fetchTarball { url = "https://github.com/NixOS/nixpkgs/archive/${chan}.tar.gz"; }) {}
}:
# Style sheets https://github.com/citation-style-language/styles/
with pkgs;
let deps = [
#      (texlive.combine
#        { inherit (texlive)
#        scheme-small thmtools datetime xpatch fmtcount;
#        }
#      )
      haskellPackages.pandoc
    ];
in
  stdenv.mkDerivation {
    name = "render_squiggle_properties";
    src = ./.;
    buildInputs = deps;
    buildPhase = ''
      echo rendering...
      pandoc \
             --from markdown \
             --to latex \
             --out properties.pdf \
             --pdf-engine xelatex \
             properties.md \
      echo rendered.
    '';
    installPhase = ''
      mkdir -p $out
      cp properties.pdf $out/properties.pdf
      '';
  }