Template:InfoBox user since

{{{#if: {{{1|}}} | header   = {{#if: {{{header|}}} | {{InfoBox header|User info}} }} | icon     = calendar | info     = Gentoo user since {{{1}}} {{#if: {{{profile|}}} |(profile:  {{{profile}}})| }} | category = User since {{{1}}} }} }}
 * {{InfoBox
 * {{Error|InfoBox user since|unnamed}}