bug#30692: list-buffers has hardwired 80 character width from the 80's

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: jidanni@jidanni.org,  30692@debbugs.gnu.org
> Date: Fri, 07 Aug 2020 14:19:32 +0200
> 
> > So, as one makes the window wider, instead of using the additional
> > space to display more of the file name, we will use it to display more
> > of the buffer name?
> 
> No, in my calculations above, we increase the width by 20 columns, and
> give 5 to the buffer name and 15 to the file name.  (Ish.)
> 
> > Even if none of the buffer names is truncated?
> 
> No, like I said in the first mail -- it won't be increased beyond the
> length of the longest item in the buffer name column.

SGTM, thanks.