[Vallaaaris]

Author here! Resolving one of the most-requested Typst features was definitely a big motivation for me, but I wouldn't say this was the only reason. I've done a lot of previous work on PDF (see e.g. the krilla library, although also mostly in the context of Typst), so I was already pretty familiar with how PDF works. In addition to that, I also just finished writing my master's thesis about 2D rendering (also in Rust), so I also gained a lot of knowledge in that area. Therefore, this project seemed like a good opportunity for me to create a bigger open source project myself that I could work on in my free time. :)

[mwcampbell]

Would it be feasible, with hayro-interpret and krilla, to take an existing PDF and round-trip each of the pages while wrapping the contents in marked content spans and adding tags, to remediate the accessibility of an existing PDF? Round-tripping each of the page content streams through a full-featured PDF interpreter seems cleaner than trying to edit in-place. PDFium can round-trip the content streams and add the marked content spans, but can't do the tagging. What do you think?

[Vallaaaris]

Yeah, this is definitely a goal for the future. But there is still quite a bit of work needed in both libraries to make this possible.

[cbolton]

Thanks for sharing the background. It's impressive work. Makes me curious about your thesis... Is it publicly available?

[Vallaaaris]

Not yet, but it should hopefully be graded in 1-2 weeks and then I can share it!

[cbolton]

For posterity: https://github.com/LaurenzV/master-thesis

[thiht]

Impressive work, congrats!

[IshKebab]

And a job offer I hope!

[pbronez]

Thanks for your contribution!