On 11/22/2017 1:33 PM, Kevin Wheatley wrote:
> The guess work comes from this list:
> https://developer.apple.com/library/content/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG10-SAMPLE__COLR__SETTINGS

It's a mistake to conflate resolutions with the standards listed there. It does 
list any heuristics, just a set of standards and associated values. No info 
under "Anything Else", IMO.

> and I agree is the source of a lot of chaos, but it is what several
> tools have done in the absence of any specified values.

"Other tools use heuristics too" is a bad rationale for creating such files by 

> My usage of the feature is to write the atom when I need to by
> explicitly enabling it on the command line and I also explicitly set
> the metadata either from the input file, or by overriding on the
> command line.

This use-case is preserved if we leave the heuristics as an option, which I'm
totally OK with.

- Derek
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