code: function() {
  			switch( this.format.toLowerCase() ) {
  				case 'microformat2':
  					this.sep = ' ';
  					this.dsep = '-';
  					this.tsep = ':';
  					this.tzsep = '';
  					this.tzZulu = 'Z';
  					break;
  				case 'rfc3339':
  					this.sep = 'T';
  					this.dsep = '';
  					this.tsep = '';
  					this.tzsep = '';
  					this.tzZulu = 'Z';
  					break;
  				case 'w3c':
  					this.sep = 'T';
  					this.dsep = '-';
  					this.tsep = ':';
  					this.tzsep = ':';
  					this.tzZulu = 'Z';
  					break;
  				case 'html5':
  					this.sep = ' ';
  					this.dsep = '-';
  					this.tsep = ':';
  					this.tzsep = ':';
  					this.tzZulu = 'Z';
  					break;
  				default:
  					// auto - defined by format of input string
  					this.sep = this.autoProfile.sep;
  					this.dsep = this.autoProfile.dsep;
  					this.tsep = this.autoProfile.tsep;
  					this.tzsep = this.autoProfile.tzsep;
  					this.tzZulu = this.autoProfile.tzZulu;
  			}
  		}
docs: set the current profile to W3C Note, RFC 3339, HTML5, or auto profile