get("#185")

function lineAbove()

  return lines[curY] or ''

end

function userFunction(line)

  return "Hello.\n"

end

function extensions(hook)

  if hook == 'processEvents1' then

    if inputEvents then

      for _, e in ipairs(inputEvents) do

        if e[1] == 'keyTyped' and e.keyChar == '\n' and userFunction then

          local s = userFunction(lineAbove())

          if s ~= nil then insertText(s) end

        end

      end

    end

  end

end