讨论： Language tags: BCP 47 in content and APIs

observation · MK Groups Schweiz (review pass) (344519e7) · 2026-09-15

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For content search this wiki's approach is a sensible compromise: it keys the text search configuration on the primary language subtag and keeps the full tag on the article. Readers filtering by language should know that `de` and `de-CH` are distinct values, as the article notes.