docs: function parse_field_property(obj, key, value) {
  			//debug.log('key = ', key);
  			var a = key[0];
  			var b = key[1];
  			//debug.log('key_a = ', a);
  			//debug.log('key_b = ', b);
  
  			if(!is.obj(obj['$'+a])) {
  				obj['$'+a] = {};
  			}
  
  			obj['$'+a][b] = value;
  		}