YUI Library - Selector - Release Notes 2.6.0 * now supporting cross-browser "for" attribute * gracefully handling non-existant IDs 2.5.2 * no change 2.5.1 * query() returns null when firstOnly and no result * correctly handle quoted attributes 2.5.0 * query() now returns single node (not array) when firstOnly is true * filter() now works with ID input * pseudos and attributes correctly handle spaces 2.4.0 * Beta release