[tex-live] TL2018: UTF-8 characters in file names with pdflatex

[Philip Taylor]

I am very surprised to learn that it worked in earlier release (I will test later); here PdfLaTeX performs exactly as I would have expected when presented with non-ASCII input :

> X:\>pdflatex
> This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018/W32TeX) (preloaded format=pdflatex)
> **\input DieÜbung.tex
> entering extended mode
> LaTeX2e <2018-04-01> patch level 5
> ! I can't find file `Die'.
> <to be read again>
>                    \protect
> <*> \input DieÜ
>                bung.tex
> (Press Enter to retry, or Control-Z to exit)
> Please type another input file name: ^Z
>
> ! Emergency stop.
> <to be read again>
>                    \protect
> <*> \input DieÜ
>                bung.tex
> !  ==> Fatal error occurred, no output PDF file produced!
> Transcript written on texput.log.
>
> X:\>pdflatex
> This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018/W32TeX) (preloaded format=pdflatex)
> **\catcode `\Ü = \catcode `\a
> entering extended mode
> LaTeX2e <2018-04-01> patch level 5
>
> *\input \input DieÜbung.tex
> (d:/TeX/Live/2018/texmf-dist/tex/latex/tools/.tex File ignored)
> ! I can't find file `DieÜbung.tex'.
> <*> \input \input DieÜbung.tex
>
> (Press Enter to retry, or Control-Z to exit)
> Please type another input file name: ^Z
>
> ! Emergency stop.
> <*> \input \input DieÜbung.tex
>
> !  ==> Fatal error occurred, no output PDF file produced!
> Transcript written on texput.log.
>
> X:\>


Dr. Werner Fink wrote:
> Hi,
>
> I've several reports about not working UTF-8 characters in file names.
>
> That is
>
>   pdflatex DieÜbung.tex
>
> works but
>
>   pdflatex -file-line-error -interaction=nonstopmode "\input DieÜbung.tex"
>
> does not.  As the last line is common used by texi tools and also by
> GNU Emacs AucTex this cause bug reports.  How to (re)enable high bit and
> multi byte character support in the (pdf)(La)Tex engines?  As on older
> TeXLive installation this works flawless.
>
> Werner
>

-- 
<Signature>
Philip Taylor