Re: HIST to read-from-minibuffer

[Juri Linkov <juri@jurta.org>]

>> (let ((hist '("a" "b" "c")))
>>   (read-from-minibuffer "Prompt: " nil nil nil '(hist . 2)))
>>
>> M-p => "c"
>
> I think I don't understand this sentence:
>
> "Positions are counted starting from 1 at the beginning of the list."
>
> I thought HIST is a 1-based list, but it is still 0-based. Could you
> make the doc-string a bit clearer? Thanks.

It is 1-based.

> For example, 0 works just fine:
>
>  (let ((hist '("a" "b" "c")))
>    (read-from-minibuffer "Prompt: " nil nil nil '(hist . 0)))
>
> M-p => "a"

"a" is the 1st element of HIST.  M-p moves to the 1st history element here.

-- 
Juri Linkov
http://www.jurta.org/emacs/