Why is `openin_any = p` restricting access to packages in TEXMFDIST?

[Akira Kakuto]

Hi Phelype,

On 2020/09/24 8:25, Phelype Oleinik wrote:
> It is related to how LaTeX determines if a file exists, yes:  some time
> ago we changed from \openin...\ifeof to looking at the output of
> \pdffilesize to determine if a file exists.  But it is not LaTeX's
> fault: \pdffilesize fails with the same error using plain:
> 
>      export openin_any=p && pdftex '\pdffilesize{sample2e.tex}\bye'

OK, I'll consider to improve related functions.

Thanks,
Akira