GNU bug report logs - #16935
24.3.50; when tab-completing in 'M-x' : "Wrong type argument: numberp, nil"

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Message #10 received at 16935 <at> debbugs.gnu.org (full text, mbox):

From: Leo Liu <sdl.web <at> gmail.com>
To: Nicolas Richard <theonewiththeevillook <at> yahoo.fr>
Cc: 16935 <at> debbugs.gnu.org
Subject: Re: bug#16935: 24.3.50;
 when tab-completing in 'M-x' : "Wrong type argument: numberp, nil"
Date: Tue, 04 Mar 2014 22:27:22 +0800

On 2014-03-04 22:12 +0800, Nicolas Richard wrote:
> --- a/lisp/minibuffer.el
> +++ b/lisp/minibuffer.el
> @@ -1753,7 +1753,7 @@ variables.")
>             (if completions "Sole completion" "No completions")))
>  
>        (let* ((last (last completions))
> -             (base-size (cdr last))
> +             (base-size (or (cdr last) 0))
>               (prefix (unless (zerop base-size) (substring string 0 base-size)))
>               (all-md (completion--metadata (buffer-substring-no-properties
>                                              start (point))

I noticed this error too. (base-size (cdr last)) is used in 24.3 and no
errors there. So it will be good to know where the problem originated
and fix it.

Leo

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