Parsing actual IANA language codes

Submitted by Frederic Marand
on Fri, 2022-09-30 15:14

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While working on i18n in Go with the x/text package, I had to dive into the subtleties of language tags (RFC5646) and their filtering/lookup (RFC4647) and, would you believe it ? things are much less simple than we usually take them to be, even in a real-life i18n environment like Drupal 8/9/10.