Hello,
Why could pandoc not store lost tagged information inside data attributes
<https://www.w3schools.com/tags/att_global_data.asp> on an element?
It could also store information in comments or in a div that has
style="display:none".
Thanks,

Brandon Keith Biggs <http://brandonkeithbiggs.com/>


On Tue, Apr 2, 2019 at 2:04 AM Ulrike Fischer <luatex-bMiYgyzgJ3Ab1SvskN2V4Q@public.gmane.org> wrote:

> Am Mon, 01 Apr 2019 17:07:12 -0700 schrieb John MacFarlane:
>
> >>> Adding tags by hand in LaTeX is a huge pain,
> >>
> >> well I don't think that it is so bad ;-). Quite a lot tagging can be
> >> done automatically (if you use a sensible class with enough hooks).
> >
> > I looked at your proof-of-concept (the tagpdf
> > documentation) and it looked like you needed to
> > manually insert a tag before and after every
> > paragraph, for example.  Is there a way to make
> > this unnecessary in LaTeX class definitions?
>
> That's a good question and one thing I'm thinking about a lot. Imho
> one should try to do it with some lua callbacks. The main problem is
> if one can find a heuristic and a call back that doesn't add
> structures in wrong places without means to suppress this. But
> currently I'm sticking to manual tagging to get a better fealing
> about the places where the tags are needed.
>
> Don't take tagging of the docu to seriously: I was quite in a hurry
> as I wanted to upload a new version to show it in a talk I had last
> week. There are lots of places where tagging can/should be improved.
>
> > This is the kind of thing pandoc could add
> > quite easily when generated LaTeX.
>
> The problem is that I don't want something only working with latex
> generated from other format like markdown or html and pandoc can't
> tag all existing latex documents.
> E.g. if I compile this with pandoc to html
>
> \documentclass{article}
> \usepackage{lipsum}
> \begin{document}
> abc
>
> \lipsum[1-3]
> \end{document}
>
> then the output is <p>abc</p> and the lipsum is lost.
>
> The other problem is the interferences of definitions. E.g. I can
> quite easily define lists so that this is tagged automatically:
>
> \begin{itemize}
> \item abc
> \item abc
> \end{itemize}
>
> but then I run into problems with :
>
> \begin{itemize}
> \item abc \par xyz
>
> \item abc
> \end{itemize}
>
> as now I need to close and reopen a structure at the \par.
>
>
>
> >> There are certainly a number of open problems. But the only thing
> >> that really needs new experimental kernel code currently are the
> >> tagging of links.
>
> > That's good to hear.  Do you think it would be
> > premature for pandoc to have an optional mode that
> > includes tagpdf and inserts appropriate tags?
>
> As long as you keep in mind that it is experimental, and that there
> are open points, and that it needs lualatex, and that the link code
> will need some weeks until it is really usable (in short: it is all
> quite alpha-beta software ;-)) I would be quite grateful if more
> documents are created with tags - I need more feedback and real
> world examples.
>
> --
> Ulrike Fischer
> http://www.troubleshooting-tex.de/
>
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