Links with complex content are a long standing accessibility challenge, essentially ever since HTML opened up the a tag to contain virtually anything else.
Equation layout is not accessible and there is no single ARIA pattern that will help you make it so. So you need to adjust your approach as the situation requires - and, above all, as your users require.
For the past, uhm, decade? (wut?) I've been helping the AMS to build its tooling for TeX to HTML conversion. The first two parts were made open-source in 2022 (texml) and 2023 (texml-to-html). And yet, I've never written about them once. Let's change that.
…After sharing the first interesting problem I had run into, Sam and I spent a few more days working on this experiment. I had hoped to finish this write up before attending JMM 2024 but life was more important. In any case, time for an update.
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