if FORMAT:match 'latex' then
  -- Setting custom `listings` style
  function Meta(m)
    m["header-includes"] = pandoc.MetaBlocks({pandoc.RawBlock("latex",[[
        \lstdefinestyle{weaver}{
            basicstyle=\small\ttfamily,
            backgroundcolor=\color{gray!10},
            xleftmargin=0.5cm,
            numbers=left,
            numbersep=5pt,
            numberstyle=\tiny\color{gray},
            captionpos=b
        }
        \lstset{style=weaver}
    ]])})
    return m
  end
  function CodeBlock(b)
    -- Remove `path` attribute and merge it with `id`
    if b.attributes.path and b.identifier then
      b.identifier = b.attributes.path .. b.identifier
      b.attributes.path = nil
    end
    -- Add ID to caption
    if b.identifier then
      if b.attributes.caption then
        b.attributes.caption = b.identifier .. ": " .. b.attributes.caption
      else
        b.attributes.caption = b.identifier
      end
    end
    return b
  end
end