bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display

[martin rudalics]

>> (while (y-or-n-p "decrease?")
>>     (set-frame-height nil (1- (frame-text-height)) nil t))
>>
>> here?
>
> Any technique to decrease by single pixels will do.  I just find the
> mouse to be the most convenient one; but that's me.
>
> I also asked to verify after each decrement that the mode line will
> not be overlaid by some other text, so I think a loop is not TRT here.

I thought the y-or-n-p would give Bruno time to verify that.

martin