Re: `font-face-attributes' sometimes returns bogus :height value

[Chong Yidong <cyd@stupidchicken.com>]

Kenichi Handa <handa@m17n.org> writes:

>> If `font-face-attributes' is called without a specified height, it
>> returns an attribute list containing `:height nil', which is invalid.
>
>> E.g.
>
>>    (font-face-attributes "Dejavu Serif")
>>>> (:family "Dejavu Serif" :height nil :weight normal :slant normal :width normal)
>
>> Since it is quite useful to work with no specified, I think this case
>> should be supported properly.
>
>> To make this work means either omitting the :height attribute entirely
>> from the returned attribute-list, or alternatively, keeping it, but
>> using `:height unspecified' for the height.
>
> I think :weight thru :width should also be omitted or
> `unspecified' in the above case.

Why should it affect the :weight and :slant parameters?  The user can
specify "Dejavu Serif Bold Itallic" or "Dejavu Serif:bold:italic", etc.