GNU bug report logs - #73775
30.0.90; vtable: can't handle 0 data rows

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Augusto Stoffel <arstoffel <at> gmail.com>, Adam Porter <adam <at> alphapapa.net>
Cc: 73775 <at> debbugs.gnu.org
Subject: bug#73775: 30.0.90; vtable: can't handle 0 data rows
Date: Sat, 12 Oct 2024 21:24:18 +0300

> From: Augusto Stoffel <arstoffel <at> gmail.com>
> Date: Sat, 12 Oct 2024 19:22:46 +0200
> 
> This call produces the error (wrong-number-of-arguments #<subr max> 0):
> 
>     (make-vtable
>      :use-header-line nil
>      :columns (mapcar (lambda (name) (list :name name :min-width 10))
>      '("A" "B" "C"))
>      :objects nil)
> 
> The following would get rid of the error, but the resulting table
> misbehaves slightly (say when I press S on it to sort).  Perhaps someone
> else has a better idea.
> 
> modified   lisp/emacs-lisp/vtable.el
> @@ -861,9 +861,10 @@ vtable--compute-widths
>                     (vtable--compute-width table (vtable-column-width column)))
>                ;; Compute based on the displayed widths of
>                ;; the data.
> -              (seq-max (seq-map (lambda (elem)
> +              (seq-max (or (seq-map (lambda (elem)
>                                    (nth 1 (elt (cdr elem) index)))
> -                                cache)))))
> +                                    cache)
> +                           '(0))))))
>          ;; Let min-width/max-width specs have their say.
>          (when-let ((min-width (and (vtable-column-min-width column)
>                                     (vtable--compute-width
> 
> 

Adam, any comments or suggestions?

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.