bug#10960: linum-mode does not work properly when changing font size

[Stefan Monnier]

> I didn't suggest to do this in Lisp.  (I don't think Lisp programs
> should control the display at this low level.)  What I suggested is to
> modify the calculation of the fringe pixel position based on how many
> pixels are actually needed for the glyphs (character glyphs, stretch
> glyphs, image glyphs, etc.) displayed in the fringe.  Isn't that what
> you wanted?

If we can do that, it's great, yes.


        Stefan