RE: mouse-face highlighting broken?

[Drew Adams]

> Can people on other systems try this:
> (insert
>   (propertize
>    (concat "Hello"
>         (propertize " " 'display '(space :width 40))
>         "World")
>    'mouse-face 'highlight))
> 
> The highlight works ok in 22.  In 23, only "Hello" and "World" are  
> highlighted - the space in between is not.
> As said above, the same applies to backgrounds of images.

In the pretest on Windows, the space between is also mouse-faced.