Re: completion buffer - unsuitable column width

[David Reitter]

On 3 Mar 2009, at 09:21, Stefan Monnier wrote:

> > A grep over the source, looking for (window-width), reveals other
> > suspicious uses.
>
> No doubt.  This is just another instance of the long standing problem
> that all/most of the code presumes fixed-width fonts (and of a single
> width shared by all fonts) as was the case in Emacs<21.

I suspect that most developers here use a single mono-spaced font for  
most or all their editing...  I started running the NS port of 23 for  
some regular editing now, and I've run into a number of bugs.

> > "window-buffer-width", giving the average (expected) number of  
> > columns in
> > a window for text in the default face applicable to the buffer  
> > shown in
> > a given window.
>
> Yes, that could help.

OK, what is the plan regarding this for 23.1?  Do nothing, add a  
fairly safe workaround as I suggested, or try to implement window- 
buffer-width?

I don't think I can help implementing window-buffer-width in the  
available time; it takes someone who knows the (re)display code fairly  
well I think.

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