[NTG-pdftex] \ifx equality of expanded fonts

[Hans Hagen]

On 2/23/2022 12:08 AM, Karl Berry wrote:
>      following behaviour seems somewhat unexpected:
> 
> I agree it's somewhat unexpected. I also am unsure if anything
> could/should be done about it.
> 
>      https://tex.stackexchange.com/questions/633441/, where Spanish babel
>      tests whether a small caps font exists by comparing it with the upright
> 
> Evidently not a viable test method ... -k

maybe use this instead

\edef\x{\fontname\0} \edef\y{\fontname\1}


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