lib/xmldoc/xmldoc.js
function extend(destination, source) {
  for (var prop in source)
    if (source.hasOwnProperty(prop))
      destination[prop] = source[prop];
}
function extend(destination, source) {
  for (var prop in source)
    if (source.hasOwnProperty(prop))
      destination[prop] = source[prop];
}
function extend ( destination , source ) { for ( var prop in source ) if ( source . hasOwnProperty ( prop ) ) destination [ prop ] = source [ prop ] ; }
a relatively standard extend method
a relatively standard extend method