-- drop-images.lua
-- Replaces all images (figures, graphics) with a short placeholder.
function Image(el) return pandoc.Str("[image omitted]") end

-- For LaTeX figures that are still raw
function RawBlock(el)
    if el.format == "tex" and el.text:match("\\begin%s*{%s*figure%s*}") then
        return pandoc.Plain({pandoc.Str("[figure omitted]")})
    end
end