- Patch #146425 by pwolanin et al:
* Removes the hard-coded 'book' type and perform all node actions equally on any node type via hook_nodeapi. * Achieves 100% integration with the menu system. Improves performance of book rendering. * All the algorithms have been changed to use the tree data structure returned by the menu system. * Added support for 'multiple books'. * Some UI improvements. This is a momumental patch that took 69 iterations. Although there is room for improvement, this is a big step forward. Thanks for the persistence, pwolanin.