Template:Fbuicon/doc

Description
Produces a flag icon (only) wikilinked national under-NN (e.g. under-20, under-21, etc.) football team article.
 * Parameters
 * nation — Use either the name of the nation or the three-letter country code as used by FIFA
 * age — Specifies the age limit (e.g. "20", "21", etc.)
 * variant (optional) — Specifies an alternate (historical) flag to use. This parameter is documented by the appropriate template in Category:Country data templates.
 * size (optional) — Can be used to change the flag icon size (use sparingly!)