Drew Adams <drew.adams@oracle.com> writes:

>>> Should "a previously deleted one" be "the last-deleted one"?
>>
>> Not necessarily.  It works like a stack.
>
> How is that different - LIFO, no?
> In any case, how it works needs to be made clear
> somewhere.

Yes, of course.  But in that case I think the help-echo should say
explicitly: "the last-deleted one not yet reinserted", or something like
that.

>>> If you use INS in one customize buffer after using
>>> DEL in another, or after using DEL in another part
>>> of the same buffer (but not part of the same sequence),
>>> is that last-deleted item inserted?  Or is it only the
>>> last-deleted (if any) from the same sequence?
>>
>> The latter.  This only implements moving items within the same
> sequence.
>
> So maybe make that clear somehow.

Will try.