in reply to Mike Gifford, CPWA

I don't think that's part of the Mozilla.AI organisation, but rather part of either Firefox or pdf.js. So I'd expect it either in mozilla-central [1] or the pdf.js repo [2]. (But I'm not involved in either project, so I can't give you a definitive answer unfortunately.)

[1] searchfox.org/mozilla-central/…
[2] mozilla.github.io/pdf.js/