#let law(
  symbol: "§",
  cols:3,
  title: none,
  toc_show: true,
  toc_header: "Inhaltsverzeichnis",
  body,
)={
    
  set page(
    paper: "a4",
    margin: (
      top: .5cm,
      bottom: .5cm,
      left: 1.5cm,
      right: .5cm
    ),
  )
  
  set par(justify: true)
  set text(font: "New Computer Modern", size: 7pt, lang: "de", region: "AT")
  set par(leading: 2pt)

  if title != none {
    heading(level: 1)[#title]
  }

  columns(cols, gutter: 1em)[
    #if toc_show [
      #outline(title: toc_header)
    ]
    // Show rule for article headers
    #show regex("^" + symbol + " \d+.*"): it => {
      heading(level: 5, numbering: none, it, outlined: false)
    }
    #body
  ]
}