[syslinux] "go to the next higher menu" equivalent?

[Ady]

> On 02/22/2013 08:23 PM, Ady wrote:
> > 
> > Although I hope to be wrong, my guess is that there is no equivalent 
> > to "menu exit" when not using submenus. But maybe some different 
> > syntax in 2.cfg and/or 3.cfg could achieve the same "go to the next 
> > higher menu" effect?
> > 
> > Any ideas are appreciated.
> > 
> 
> Calling menu.c32 is a GOTO, no history is retained.
> 
> It is also very inefficient, use proper submenus instead...
> 
> 	-hpa
 
Thank you for your answer.

Could you please clarify in which sense it is very inefficient?

TIA,
Ady.