Ricardo Wurmus <rekado@elephly.net> writes:

> Ricardo Wurmus <rekado@elephly.net> writes:
>
>> I suspect that the build environment doesn’t have locales set up so the
>> format dumping tool assumes that we want to us Latin-1 encoding for
>> everything.
>
> It’s not that, but I have another clue.
>
> This is the relevant line from fmtutil.cfg:
>
>     pdftex pdftex language.def -translate-file=cp227.tcx *pdfetex.ini

This patch fixes it: