[FR] Exporter for ltx-talk

[Roger Schürch]

To deliver accessible learning content, universities request that PDFs made 
available to students be tagged and pass their validation tools. The LaTeX 
package ltx-talk, together with LuaLaTeX, supposedly allows the creation of 
tagged PDF slides similar to the LaTeX's beamer. The latter seems ill suited to 
produce compliant PDFs. To produce compliant PDF slides, I would love to have 
an export backend for ltx-talk. Alternatively, I would love to hear how other 
Org-mode users produce compliant PDF slides.
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Roger Schürch