Template:Age (smw)/doc

Purpose: For SMW articles, prints out the age of the person for the article, or if specified, the person specified in the first operand.

Notes:
 * Requires at least a birth year be specified for the individual or no age is returned
 * If day or month are not specified, day=1 and month =1 is used.
 * If a death date is not specified, then current year, month and day are used for calculating age.
 * For people born or died between 100 BCE and 100 AD, results are undefined.