Test Pinterest Widgets

No language specified; should render navigator language (assumes supported; try an unsupported code like ts-ZA to test)

Unsupported language: data-pin-lang="kkk"; should render English

Supported language, unsupported locale: data-pin-lang="pt-kr"; should render Portuguese

Supported language, ignore character set specifier, unsupported locale: data-pin-lang="fr-Latn-ca"; should render French