TL2021: the seminar class and hence the prosper class broken

[Herbert Voss]

Am 30.06.21 um 14:29 schrieb Dr. Werner Fink:
>   ! Extra \endgroup.
>   \document ->\endgroup
>                         \the \before at document \begingroup \UseOneTimeHook {beg...
>   l.12 \begin{document}
>
> As it looks like seminar class isn't developed anymore

that's true ... However, try it with the version from today:
https://ctan.org/tex-archive/macros/latex/contrib/seminar/latex

Herbert


> I'd like to add a patch like this
>
>   --- -   2021-06-30 14:22:56.861834912 +0200
>   +++ tex/latex/seminar/seminar.cls      2021-06-30 14:10:50.757483414 +0200
>   @@ -24,6 +24,7 @@
>    %%
>    %%
>    \NeedsTeXFormat{LaTeX2e}
>   +\RequirePackage[2020-02-02]{latexrelease}
>    \ProvidesClass{seminar}[\filedate, \fileversion]
>    \typeout{%
>      Documentclass: `seminar' v\fileversion \space <\filedate> (tvz,hv)}
>
>
>
> Werner
>