[XeTeX] XeTeX \openin — bug or feature

[Jonathan Kew]

On 20/09/2022 16:38, Philip Taylor (Hellenic Institute) wrote:
> Given
> 
> \newread \standin
> \openin \standin = MM3.dat
> 
> I had expected XeTeX to open MM3.dat for input — instead, it opened 
> MM3.dat.tex
> 
> Bug or feature ?
> 
> -- 
> /Philip Taylor/
> 

Have you compared other engines? My TL installation is woefully 
out-of-date, but with the versions I have on hand, I see similar 
behavior in tex/pdftex/luatex.

So I think it's a feature (though perhaps a surprising/undesirable one).

JK