luatex problem with file with umlauts on windows 10

Ulrike Fischer news3 at
Sat Apr 25 16:46:13 CEST 2020

Am Sat, 25 Apr 2020 16:00:50 +0200 schrieb Zdenek Wagner:

> I have three questions:
> 1. What is your locale of your Windows? Is it UTF-8?
> 2. Which character set is used for file names on your file system?
> 3. Are you sure that lfs knows the character set of your file system
> (you should query it) and that the file name is corrected to the right
> encoding?

my locale is de_DE.UTF-8. But the luatex manual claims that the
locale is set to a neutral value at the start, so I don't think it
is really relevant. My hard drive is NTFS. I have no idea how I
could tell lfs something about my file system (or how to query what
it thinks about it).  
But the same file on the same computer with the same command line(s)
works with miktex but not with texlive so I don't think that
something is fundamental wrong with my settings.  

Ulrike Fischer

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