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Bug 816816

Summary: pdflatex from dev-texlive/texlive-latex-2021 fails to process trivial document with seminar class
Product: Gentoo Linux Reporter: Vladimir Kotal <vladak>
Component: Current packagesAssignee: Alexis Ballier <aballier>
Status: UNCONFIRMED ---    
Severity: normal CC: gentoo, tex
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
URL: https://stackoverflow.com/questions/69250736/pdflatex-problem-with-seminar-in-texlive-2021
Whiteboard:
Package list:
Runtime testing required: ---
Attachments: output from emerge --info
output from equery list "texlive*"
pdflatex output

Description Vladimir Kotal 2021-10-07 13:08:19 UTC
texlive fails to produce PDF from a TeX source that worked with earlier versions of the texlive package.

Reproducible: Always

Steps to Reproduce:
1.create foo.tex:
```
\documentclass[article]{seminar}

\begin{document}

foo

\end{document}

```
2. run `pdflatex foo.tex`
Actual Results:  
fails with:
```
! Extra \endgroup.
\document ->\endgroup 
                      \the \before@document \begingroup \UseOneTimeHook {beg...
l.3 \begin{document}
```

Expected Results:  
should produce foo.pdf
Comment 1 Vladimir Kotal 2021-10-07 13:11:02 UTC
Created attachment 743754 [details]
output from emerge --info
Comment 2 Vladimir Kotal 2021-10-07 13:22:16 UTC
Created attachment 743760 [details]
output from equery list "texlive*"
Comment 3 Vladimir Kotal 2021-10-07 13:27:37 UTC
Created attachment 743763 [details]
pdflatex output

In the output one can see the seminar document class version (2014/01/17, 1.61) which the stackoverflow commenters say is too old to work with the TexLive from 2021 and should be updated to 1.63a.
Comment 4 Vladimir Kotal 2021-10-07 13:37:15 UTC
The actual package delivering /usr/share/texmf-dist/tex/latex/seminar/seminar.cls is dev-texlive/texlive-latexrecommended-2021.
Comment 5 Tee KOBAYASHI 2021-10-07 13:40:14 UTC
Maybe hitting this: https://tug.org/pipermail/tex-live/2021-July/047231.html