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tc39 / proposal-intl-eradisplay

Intl.DateTimeFormat displays era field only if date displayed is in same era as today's
MIT License
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Connection with CLDR #2

Closed Louis-Aime closed 1 year ago

Louis-Aime commented 3 years ago

The eraDisplay proposal came initially from a ticket at CLDR where I was worried that era field was displayed even if the author did not explicitly ask for it. This post is still in "new" state the day I'am writing this post. Seeing no reaction, I designed the first draft of the eraDisplay proposal in May 2020.

The presently distributed version of CLDR reacts in different ways when era option is not defined where year is. These is quite visible and easy to test on the proposal's moke-up on GitHub Pages. With "en-GB", when era is set to undefined for ethiopic or coptic, display is as if month was undefined !

I suspect there are certain "shortcuts" in designing the date display patterns that yield to unwanted effects.

I intend to issue a new post on CLDR on this issue.

Louis-Aime commented 3 years ago

Post initially on CLDR, now on ICU: ICU-21428

sffc commented 1 year ago

@eggrobin is working on improved date skeleton resolution separately in CLDR, which should help to resolve this. See https://docs.google.com/document/d/1dQOw-U1IajwpHYdP08bG55JY6pqRlhjz2fZJ0vDHcBU/edit#heading=h.19l2he9jii8u