Open
Description
I wanted to spin this off from #866, #1077, #1067, etc., in order to focus on the syntax of the options. I'll focus on date fields, time precision, and zone style, as those are the "main" options.
Setting aside all the other bikesheding, one might write code such as
{$input :datetime dateFields=YMD timePrecision=minute zoneStyle=genericShort}
The purpose of this issue is to bikeshed every part of that string from dateFields through genericShort.
I am not attached to any particular naming. I care about the schema / data model of the options. This is a good time to bikeshed what the options should be named, and I will take that feedback from here and bring it back to CLDR and ECMA-402 for potential standardization upstream.