if App.modifier_down() then return end
  local down = love.keyboard.isDown

    end
  -- paste
  elseif chord == 'M-v' then
    local s = love.system.getClipboardText()
    for _,code in utf8.codes(s) do
      Text.insert_at_cursor(utf8.char(code))

function App.modifier_down()
  local down = love.keyboard.isDown
  return down('lctrl') or down('rctrl') or down('lalt') or down('ralt') or down('lgui') or down('rgui')
end