jmviz

The problem of `Serbo-Croatian` words being listed under `bs` is occurring because the patch to include wikimedia codes adds four codes that all map to `Serbo-Croatian` in `LANGUAGES_BY_CODE`: `bs`, `hr`,...

I also found that real `mw.language.isKnownLanguageTag()` consults [this list of languages](https://github.com/wikimedia/mediawiki/blob/18f1058249ac1c738614486e4de0cabbb2f638e4/includes/languages/data/Names.php#L39), so another approach would be to supply that separately. But I wasn't sure if it was the entirety of...

> we can kind of assume that this kind of error would already be found on the Wiktionary side of things, unless isKnownLanguageCode is used as a condition (which it...