[syslinux] PXERETRY directive

[Ady]

> > _ Is it valid for pxelinux.0 only? What about lpxelinux.0? What about
> > syslinux.efi? Others?
> 
> Both pxelinux.0 and lpxelinux.0.  The others have the variable but no
> functions that read it.
> 
 
Thank you very much.

This is the first time I read about a directive that is usable under 
BIOS but not under UEFI.

Is

 ./com32/elflink/ldlinux/readconfig.c

only for BIOS?

TIA,
Ady.