[accessibility] Current packages and methods of generating tagged PDF from LaTeX

Christopher Rowley c.a.rowley at icloud.com
Thu Jun 27 16:19:27 CEST 2019

Michal describes well what is needed in the LaTeX kernel to support a wide range of tagging.  And such tagging is needed not only for accessibility requirements but more generally.


On 27 Jun 2019, at 21:02, Michal Hoftich <michal.h21 at gmail.com> wrote:

>> I doubt it, perhaps some parts can be reused but pdf has really rather
>> special requirements. Beside this tex4ht is imho quite stable, mature and
>> powerful.
> The problem with the the PDF syntax is that it seems to be quite
> low-level, basically HTML, so it captures lot less information than
> what tex4ht already does and it wouldn't work for other output formats
> than HTML (ODT, DocBook,..).
> If there was a higher level structural tagging standard provided by
> the LaTeX kernel and maintained packages, I think we could reuse that
> information in tex4ht. For example something like dpub-aria:
> https://w3c.github.io/dpub-aria/#doc-chapter.
> It shouldn't be hard to map such higher level information to the PDF
> tagging, HTML 5, ODT and other formats.
> Best regards,
> Michal

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