[PATCH 1 of 2] histedit: limit mentioning histedit-last-edit.txt

[timeless]

Pierre-Yves David wrote:
> This test change seems to to be wrong. The user selected some action and
> this action selection is buggy. We should keep  the actions and point the
> user at them to give him a chance to fix them.

Indeed.
I've addressed that with:
histedit: check fold of public change during verify

as a bonus, the todo for that goes away :)