Re: Supporting stylistic sets

[Visuwesh]

[வெள்ளி செப்டம்பர் 23, 2022] Eli Zaretskii wrote:

>> I imagined that it would be something like this:
>> 
>>   (set-fontset-font t 'bengali
>>    (font-spec :family "Tiro Bangla"
>>       :stylistic-set '("ss03")))
>> 
>>   (set-face-attribute 'default nil
>>      :font "Fira Code"
>>      :weight 'regular
>>      :height 170
>>      :stylistic-set '("cv01" "ss05" "ss03"))
>> 
>> Just like how weight, foundry, size etc are set and they seem to be font 
>> properties.
>
> That means all text that uses the font will use that stylistic-set.
> Is that good enough?  What if you want to have the same font with and
> without a specific stylistic-set in the same document?.

Unless there are performance implications, I don't see why using an
anonymous face won't work i.e., 

    (propertize "text" '(face (:stylistic-set ("cv01" ..)))