Re: [css3-writing-modes] text-combine-horizontal and half-width numerals

On 02/21/2013 07:59 PM, John Daggett wrote:
> fantasai wrote:
>
>>> When combining two digits into a 1em box, using half-width
>>> numerals seems preferred. If the current font family does not have
>>> glyphs for half-width digits, should the UA fall back to the next
>>> family in the list?
>>
>> No, it should just place them (if they seem to fit: in most
>> proportional fonts they do) or scale them.
>
> I don't quite understand this, you seem to be answering a different
> question than the one Sylvain is asking.  If there aren't glyphs for
> half-width digits, there are no glyphs to place or scale.  Fallback
> will occur.
>
> Keep in mind that "half-width digits" are normal ASCII digits, which
> are typically included in all fonts that would be used for vertical
> text display. So I think the problem is not one that exists in
> practice.

I thought we were talking about the special glyphs enabled by
using the hwid feature. Shouldn't trigger font fallback if that
feature is missing.

~fantasai

Received on Tuesday, 26 February 2013 22:48:04 UTC