code: function normalizeSource(source) {
  		if (source.className) {
  			// TODO: repeat code, same code for event classNames
  			if (typeof source.className == 'string') {
  				source.className = source.className.split(/\s+/);
  			}
  		}else{
  			source.className = [];
  		}
  		var normalizers = fc.sourceNormalizers;
  		for (var i=0; i<normalizers.length; i++) {
  			normalizers[i](source);
  		}
  	}
docs: /* Utils
  ------------------------------------------------------------------------------