upLaTeXの設定
latex_engine = "uplatex"
latex_docclass = {"howto": "jsreport", "manual": "jsbook"}
latex_elements = {
"papersize": "a4paper",
"pointsize": "12pt",
# "extraclassoptions": "tombow",
"preamble": "", # あとで追加するので定義だけしておく
}