-- local UpdateOrAppendTimestamp = function()
-- 	if vim.bo.filetype == "telekasten" then
-- 		local line_found = false
-- 		local update_marker = "!!!update at"
-- 		local new_timestamp = os.date("!%Y-%m-%d %H:%M!!!")
-- 		for line_number = 1, vim.api.nvim_buf_line_count(0) do
-- 			local line = vim.api.nvim_buf_get_lines(0, line_number - 1, line_number, false)[1]
-- 			if line:find(update_marker) then
-- 				print("tst")
-- 				vim.api.nvim_buf_set_lines(
-- 					0,
-- 					line_number - 1,
-- 					line_number,
-- 					false,
-- 					{ update_marker .. " " .. new_timestamp }
-- 				)
-- 				line_found = true
-- 				break
-- 			end
-- 		end
-- 		if not line_found then
-- 			vim.api.nvim_buf_set_lines(0, -1, -1, false, { update_marker .. " " .. new_timestamp })
-- 		end
-- 	end
-- end
--
-- return {
-- 	UpdateOrAppendTimestamp = UpdateOrAppendTimestamp,
-- }