And continued over the next several hours and days primarily with participation of aaronpk, GWG, and pfefferle among a few others.
David Shanske (GWG) and I discussed an overview of it in the most recent episode of An IndieWeb Podcast. The conversation about rel=”alternate” begins at the 11:00 minute mark.
Somewhere there’s a note that GWG has already built a big chunk of code into the Webmention/Semantic Linkbacks plugin that implements a large chunk of the work already. There’s also some work done in https://github.com/indieweb/wordpress-mf2-feed as well.