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This category contains articles with Tonga-language text. The primary purpose of these categories is to facilitate manual or automated checking of text in other languages.

This category should only be added with the {{ Lang}} family of templates, never explicitly.

For example {{ Lang| toi|text in Tonga (Zambia) language here}}, which wraps the text with <span lang="toi">. Also available is {{ Lang-toi|text in Tonga (Zambia) language here}} which displays as Tonga: text in Tonga (Zambia) language here.