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

[David Carlisle]

On 25 July 2018 at 09:00, Dr. Werner Fink <werner at suse.de> wrote:
> On Wed, Jul 25, 2018 at 04:44:13PM +0900, Norbert Preining wrote:
>> Hi
>>
>> > I've several reports about not working UTF-8 characters in file names.
>> >   pdflatex -file-line-error -interaction=nonstopmode "\input DieÜbung.tex"
>>
>> I guess this is also a consequence of the recent "minor" change in the LaTeX
>> kernel about switching to a default of utf8, see ltnews.pdf, Issue 28, p38.
>>
>> One needs to use
>>       ... "\UseRawInputEncoding \input DieÜbung.tex"
>>
>> With this on my linux it is working.
>>
>> How would dare to have non-ascii file names ... tststs ;-)
>
> Ohmmm ... strange that switching to utf8 breaks reading files
> which are named with utf8 multi byte characters.  I guess that
> now utf8 characters are handled/mapped to the correct font
> character glyph.
>
> And indeed \UseRawInputEncoding before \input does help.

No don'd do that. that changes teh interpretation of teh file
_contents_ as well as teh name, use \detokenize.




> Does
> this mean that I've now hack texi2pdf/texi2dvi as well as AucTex?

no it is only the tex macro layer that is affected.

> Or is it possible that the utf8 based engines also can handle
> utf8 characters in file names (utf8x)
>
> Werner
>
> --
>   "Having a smoking section in a restaurant is like having
>           a peeing section in a swimming pool." -- Edward Burr