Re: [Emacs-diffs] /srv/bzr/emacs/trunk r103444: * lisp/facemenu.el (list-colors-display): Use with-help-window (Bug#8048).

[Stefan Monnier]

> Would it help to have a primitive that returns the width in pixels
> that a given buffer substring would take on the screen?

Not if we want it to work without knowing the window (and hence
terminal) on which the buffer is going to be displayed (i.e. the
computation should be done by the redisplay, the buffer data needs to be
agnostic to the font used).


        Stefan