bug#10409: Minibuffer sized according to default face, not minibuffer face

[martin rudalics]

> > > The height of the minibuffer (in pixels) is set in increments of the
> > > line height for the default face. If the echo area face (the one from
> > > which all minibuffer faces inherit) is slightly taller than the
> > > default face, this means that the minibuffer is one line high when
> > > empty and two lines high if there's anything in it.
>
> What is the "echo area face" you are referring to?
>
> Please provide a precise step-by-step recipe for reproducing this bug,
> starting from emacs -Q.

This could be bug#6192.  Look for Stefan's summary late
in the thread (skipping all my postings, at least).

martin