bug#16969: Isearch: lazy-highlight face sometimes has foreground and background the same colour.

[Stefan Monnier]

> And what? Are we going to apply distant-foreground to everything and
> hope that the color we choose is legible in whatever theme the user has?

For now, yes.

> We really need automatic contrast adjustment, not one-off fixes.

Not sure about "really", but I agree it's a desirable feature.  But it
won't be in 24.4.


        Stefan