function copy_naughty()
-- Copy naughty notification(s) to clipboard in v4.3; API changes in
-- later versions should simplify. Multiple notifications are outputed
-- to a table, then concatenated as one string sent to xclip.

  local cs -- "combined string"
  local output = {}
  for s in pairs(naughty.notifications) do
    for p in pairs(naughty.notifications[s]) do
      local ntfs = naughty.notifications[s][p]
      for i, notify in pairs(ntfs) do
           table.insert(output, notify.textbox.text)
      end
    end
  end

  if output[1] == nil then return nil end
  local lb = "\n" ; for i = 1, #output do
      if cs == nil then cs = output[i] else
          cs = cs .. lb .. output[i]
      end
  end

  io.popen('xclip -selection clipboard','w'):write(cs):close()
  naughty.notify({ position = "bottom_middle", timeout = 1, text = "Copied" })

end