bug#6419: A suggestion for easier editing of lists in Custom buffers

[Drew Adams]

>> 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.

>> 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.