Matt Garrish

Right, I'd just make this a low priority for implementing if there are other issues on your plate. You'd also need to check the number of renditions and that there...

And by organizing, all I'm thinking is to add a blank line or two and format a heading so it's clear when and which rendition is getting validated. I realize...

There's actually nothing technically wrong here. You can have processing instructions to start a file, and when the xml declaration is misnamed it just becomes a regular old processing instruction....

> neither WHATWG HTML nor W3C HTML 5.2 disallows the use of such PIs No, but they're also generally useless. XML style sheet PIs haven't gone anywhere in epub, so...

Ya, it would be nice to have a more formal reference for WebP, but I don't see any other option than a post-release fix.

Class 1 sounds like it's limited to markup changes that don't alter the text of the specification, but this is a respec shorthand leading to a new reference and bibliography...

Looks like this is still working its way through the RFC publishing process: https://www.rfc-editor.org/auth48/rfc9403 We'll have to wait longer.

Anyone know what happened to this? [RFC 9403](https://www.rfc-editor.org/rfc/rfc9403.html) appears to have been assigned to another standard. The [auth48 status page](https://www.rfc-editor.org/auth48/rfc9403) says the document should have been published, but searching the...

Looks like it became an IETF draft: https://datatracker.ietf.org/doc/draft-zern-webp/ I guess we just leave this open and see if anything changes in the next six months. We can't cite it as...

Updating this, the IETF draft was published this month but it's yet another informational document. Looks like another 6 months to see if it becomes stable.