[ENH] Allow to keep heading of admonition in PDF

[Remi-Gau]

• closes #1752

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 87.93%. Comparing base (591eebb) to head (c9971d9). Report is 3 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1768 +/- ## ======================================= Coverage 87.93% 87.93% ======================================= Files 16 16 Lines 1351 1351 ======================================= Hits 1188 1188 Misses 163 163 ```

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[Remi-Gau]

Should only affect the PDF.

[effigies]

I don't love how this looks, as the connection between the header and content isn't clear. Perhaps we could look into using existing pandoc tooling instead of hacking our own thing?

• https://github.com/Wandmalfarbe/pandoc-latex-template/issues/346
• https://github.com/jgm/pandoc/discussions/9394
• https://stackoverflow.com/questions/74289155/formatting-docbook-admonitions-with-pandoc

[Remi-Gau]

thanks for the pointers

will try if a simple div may do the work in better way

• https://github.com/jgm/pandoc/discussions/9394#discussioncomment-8352439
• https://pandoc.org/chunkedhtml-demo/8.18-divs-and-spans.html