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This category contains articles with Interlingua-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| ia|text in Interlingua (International Auxiliary Language Association) language here}}, which wraps the text with <span lang="ia">. Also available is {{ Lang-ia|text in Interlingua (International Auxiliary Language Association) language here}} which displays as Interlingua: text in Interlingua (International Auxiliary Language Association) language here.