John Bowler

> As a result, my comment was very off-topic. Well, it did cause me to discover a bug in the current v3 spec :-)

> So, you are suggesting that the spec can ignore 17 years of deployed content and just require content authors and tooling to start over because _checks notes_ the failed...

> > If a decoder sees that mDCv and cLLI are present but ignores them and does tone mapping based on the image contents instead, has it violated the spec?...

> > So I certainly don't think mDCv and cLLi need to become critical. > > +1 I can't see ChrisL's original comment here on github however my point was...

> I just realized that a display system with an ambient light detector Chris, honestly; what on earth does this have to do with PNG? Like, dude, what on earth...

10 bit isn't particularly general. One of the core problems of PNG is that the channel encoders are not separated, so patterns in the channels get obfuscated in the higher...

> Probably best to say you need a private filter method if you want to add more filter types "Filter method" and "filter type" are used interchangeably to refer to...