Problem with tabular (\toprule etc.) and dinbrief

[Karlheinz Bothmann]

Hi Phelype,

thank you for this valuable information!
As a newbi in tex-live I am very happy having found this qualified 
communitiy!

As you stated the dinbrief is 20 years old do you have informations 
whether there is a successor of this class ?

best regards

Karlheinz Bothmann

Karlheinz Am 09.03.2021 um 23:16 schrieb Phelype Oleinik:

> On Tue, Mar 9, 2021 at 12:03 PM Karl via tex-live <tex-live at tug.org> wrote:
>> The new rules in booktabs: \toprule, \midrule, \bottomrule no longer work properly with DINBRIEF, since reinstallation of miKteX. (I used this dinbrief documents with tables successfully since years)
> Hi Karl,
>
> It's not only booktabs: a lot of dinbrief is broken because it redefines
> some LaTeX internals to add some of its own commands, but these
> definitions are from 20 years ago, so any changes to these macros in the
> LaTeX kernel were completely overwritten by dinbrief.  It just happened
> that in a recent release these problems are showing more prominently.
>
> Follows a series of patches to *try* to make dinbrief work with a recent
> LaTeX.  booktabs works again, but there is no guarantee that more things
> are broken.  Proceed with caution.
>
> Best,
> Phelype
>
> ---
>
> \RemoveFromHook{file/after/dinbrief.cls}[firstaid]
> \let\LTXdocument\document
> \let\LTXenddocument\enddocument
> \documentclass[10pt]{dinbrief}
> \let\document\LTXdocument
> \let\enddocument\LTXenddocument
> \usepackage{etoolbox}
> \makeatletter
> \patchcmd\document
>    {\if at filesw}
>    {\if at filesw
>     \ifnum\c at labelgen>0
>       \immediate\openout\@mainlbl=\jobname at lbl
>       \immediate\write\@mainlbl{\string\relax}%
>       \immediate\write\@mainlbl{\string\startlabels\string\@startlabels}%
>     \fi}{}{\FAILED}
> \patchcmd\enddocument
>    {\if at filesw}
>    {\if at filesw
>     \ifnum\c at labelgen>0
>       \immediate\closeout\@mainlbl
>       \makeatletter
>       \input \jobname at lbl\relax
>       \clearpage
>     \fi}{}{\FAILED}
> \makeatother
>
> \usepackage{booktabs}
> \begin{document}
> \begin{tabular}{c|c|p{0.48\textwidth}|r|r}
>     \toprule
> a & a & a & a & a \\
>     \bottomrule
> \end{tabular}
> \end{document}
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