bug#4147: 23.1.50: Info-search command strange behaviour

[Juri Linkov]

> In many cases a divider is not needed.  However, with undistinguishable
> faces it might be good to have one.

In this case we could display Ersatz divider, e.g. the bottom line
of the upper window fontified with a different face.

> BTW, how are tabs displayed on text-only terminals?

They are correctly displayed as text lines.

> Also, what additional support is needed to display a toolbar in
> a header window?

Using the same design, a toolbar could be displayed in a separate window
above the header window.

-- 
Juri Linkov
http://www.jurta.org/emacs/