Template:Infobox language/codelist
Usage
{{Infobox language/codelist|code=abc}}⊟abc{{Infobox language/codelist|abc}}⊟abc{{Infobox language/codelist|abc|def}}⊟abc– def{{Infobox language/codelist}}⊟ (blank returns blank)
{{Infobox language/codelist|code=abc}} ⊟ abc{{Infobox language/codelist|abc}} ⊟ abc{{Infobox language/codelist|abc|def}} ⊟ abc – def{{Infobox language/codelist}} ⊟ (blank returns blank)