Re: C-x 3 *Choices* cutoff; C-x 4 map short changes C-x C-r

[Kevin Rodgers]

Dan Jacobson wrote:
> 
> $ emacs -q
> C-x 3 C-x C-f <tab> <tab>
> 
> Just look at how atrociously the *Choices* buffer with its obligatory
> two columns is chopped off instead of even considering making itself
> into a single column list.

This is a known problem, according to this comment in src/minibuf.c
(Fdisplay_completion_list):

          /* This does a bad job for narrower than usual windows.
             Sadly, the window it will appear in is not known
             until after the text has been made.  */

Perhaps all the hard-coded numbers there, which are presumably based on an
80-column window, could be adjusted to instead assume that the completions
will be displayed in a window that's the same width as the current window.

-- 
Kevin Rodgers <kevinr@ihs.com>