menuentry "..    Xubuntu Focal 20.04 (Daily build)" {
	iso_path="/isos/focal-desktop-amd64.iso"
	export iso_path
	search --set=root --file $iso_path
	loopback loop $iso_path
	root=(loop)
	configfile /boot/grub/loopback.cfg
	loopback --delete loop
}