local function fn(config, deck, _, ip)
    local sp = deck[ip[1]][ip[2]]
    local rt = sp:spt()
    local fname = "memoire_cc.tmp"
    local fh = io.open(fname, "w")
    fh:write(rt)
    fh:close()
    os.execute(string.format(
        "%s %q",
        os.getenv("EDITOR") or "vi",
        fname
    ))
    fh = io.open(fname, "r")
    local nt = fh:read("a"):gsub("%s+$", ""):gsub("^%s+", "")
    fh:close()
    os.remove(fname)
    if nt ~= sp:spt() and nt ~= "" then
        local cardrec = Prompt:torec(deck[ip[1]])
        cardrec.PromptText = { nt }
        deck[ip[1]] = Prompt:fromrecs({ cardrec }, config)[1]
        return deck
    end
end

return { desc = "(c)orrect card (with card:prompt index)", nd = true, ni = true, fn = fn }