Re: Distinguish between regional undo and undo to the beginning in undo-equiv-table

[Stefan Monnier]

> Ok, I looked into it in detail, undo-equiv-table is also used to check if
> the previous command is really an undo, alongside with checking
> last-command. So the undo record has to map to something, I decide to map it
> to ‘empty unless there is already a mapping for the record. Here is the
> (standalone) final draft. Please have a look.
>
> Yuan
>
> [2. text/x-diff; undo-in-region-3.patch]...

Thanks, pushed to `master`.


        Stefan