code: function standardizeRule( rule ) {
  		rule.elements = convertValidatorToHash( rule.elements, /\s+/ ) || null;
  		rule.propertiesOnly = rule.propertiesOnly || ( rule.elements === true );
  
  		var delim = /\s*,\s*/,
  			i;
  
  		for ( i in validators ) {
  			rule[ i ] = convertValidatorToHash( rule[ i ], delim ) || null;
  			rule[ validatorsRequired[ i ] ] = extractRequired( convertValidatorToHash(
  				rule[ validatorsRequired[ i ] ], delim ), rule[ i ] ) || null;
  		}
  
  		rule.match = rule.match || null;
  	}
docs: Standardize a rule by converting all validators to hashes.