Template:InfoBox user since/doc

Description
Use this template to create an infobox on your user page to show when you became a Gentoo Linux user. This template will automatically add the page to the appropriate "User since YEAR" category.

Usage
Add this code to the page text (replace "YEAR" with a number):

Parameters

 * Unnamed parameter (required): Year that you started using Gentoo.
 * header (optional): Add a "Userboxes" heading (you need to set this equal to something; try "true").
 * profile (optional): Portage profile you used when you first started using Gentoo.

Examples
See also the template's testcases: