After more testing i've merged this in today.
The boot.img was used as it existed on the system.
The handcrafted core.img was generated like this:
#grub-mkimage -c grub.cfg -o core.img biosdisk part_msdos fat search_fs_file
iso9660
grub.cfg:
search.file /boot/grub/i386-pc/grub.cfg root
set prefix=($root)/boot/grub/i386-pc
--
https://code.launchpad.net/~superm1/usb-creator/grub-support/+merge/34504
Your team usb-creator hackers is requested to review the proposed merge of
lp:~superm1/usb-creator/grub-support into lp:usb-creator.
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