function Pandoc(doc)
    -- This function will process the entire document
    for _, el in pairs(doc.blocks) do
        if el.t == "Para" then
            for _, inline in pairs(el.content) do
                if inline.t == "Str" and inline.text:match("%[@%a+%]") then
                    -- This is a simple detection for semantic annotations
                    print("Found semantic annotation: " .. inline.text)
                end
            end
        end
    end
    return doc
end