F10 rpm of grub2 completely broken

[Tom H]

>>> Your F10 grub2 is broken beyond repair also, and I needed it to work so I
>>> could try some other distro's that do use grub2 to boot with.

>>You couldn't chainload those other dists with legacy GRUB?

> Not if the boot partition is on an ext4 filesystem.  I experimented with it
> pointed at an ext3 filesystem and it worked as expected.

As I learned to my embarrassment in a earlier thread, the F12 grub1
can boot from an ext4 /boot...