docs: function(element) {
  		var att, count = 0,
  			keys;
  		this._getatts(element).forEach(function(x) {
  			att = x[1];
  			keys = gui.KeyMaster.extractKey(att.value);
  			if (keys) {
  				keys.forEach(function(key) {
  					edbml.$revoke(key);
  					count++;
  				});
  			}
  		});
  		return count;
  	}