Template:Decade in nationality music category/doc

Makes a category of the form "YYY0s in nationality music", e.g. Category:2000s in French music or Category:1960s in Irish music

Normal usage
The template needs to know the nationality and country. (e.g. on Category:1980s in Irish music, the nationality is "Irish" and the country is "Ireland").

By default, the template takes the nationality from the title, and uses Template:GetCountryNameFromAdjective to get the name of the country.

Exceptional usage
In some rare cases, the Template:GetCountryNameFromAdjective may not find a country to match the nationality. If so, the country and nationality may be supplied as parameters

e.g.

In all cases, the decade is drawn from the category's title, and cannot be overridden.

Note that if parameters are supplied, the page is categorised in a tracking category:
 * Category:Template Decade in nationality music category with parameters (population: pages)

Errors
If this template is used on an invalid page, then an error message is displayed, and the page is categorised in a tracking category: Note that this tracking page is shared with other category header templates)
 * Category:Errors reported by other category header templates (population: pages)