Re: How to get tagging off in new LaTeX

Ulrike Fischer <[email protected]>
Newsgroups gmane.comp.tex.live
Message-ID <[email protected]>
Am Sun, 2 Nov 2025 20:50:57 +0100 schrieb Norbert Preining:

> Thanks David!
> 
> A follow-up question from my side:
> 
>>> henceforth has been: how can I make sure the new tagging feature is
>>> completely off for now -- until I get a better hold of what tagging is and
> 
> OTOH - how do I enable all features that are currently available to
> create tagged PDF?
> 


\DocumentMetadata{} will load (allmost) all the new code from
latex-lab but not activate tagging. This means new features (like a
new list implementation etc) but means also various
incompatibilities if packages or classes clash with the new code. 

\DocumentMetadata{tagging=on} will load all the new code and
activate tagging.

Typically (with lualatex + unicode-math) you will then also want to
activate mathml structure elements:

\DocumentMetadata{tagging=on,tagging-setup={math/setup=mathml-SE}}

If you do not want the new code but want the PDF management then, as
David wrote, you can load it with \RequirePackage{pdfmanagement}. 

Ulrike
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