bug#2667: Still seeing inconsistent fonts

[Chong Yidong]

Kenichi Handa <handa@m17n.org> writes:

> But, if we can use this heuristic:
>
>    X fonts that have the same property values except for
>    size related properties supports the same set of
>    characters on all display.
>
> we can list fonts in a realistic time.  Attached is the
> patch to try it.  Could you please test it?  As the change
> is not simple, I have not yet installed it.

I don't have a good sense of whether this problem is serious enough to
justify the change, at this stage in the pretest.  Stefan, what's your
feeling about this?