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Re: HIST to read-from-minibuffer
From: |
Juri Linkov |
Subject: |
Re: HIST to read-from-minibuffer |
Date: |
Tue, 25 May 2010 20:54:20 +0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (x86_64-pc-linux-gnu) |
>> (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/