On Wed, Jan 02, 2019 at 09:34:16AM +0100, Didier Kryn wrote:
>
>     Do I understand correctly that WxHexEdit can edit directories in place?

It did. On a VFAT file system on an SDHC card.
I suspect if it had been a btrfs file system I might have had trouble
with the checksum, though.

-- hendrik