Installing this module will result in watchdog notices whenever a cache tag is invalidated on your site (see screenshot). There is no configuration, just install and it will work.
Currently adding pages to a book in the node edit form, and selecting a parent item is a straightforward task and then selecting the position in the tree is simply presented as a weight drop-down.<
Treat Permission UI page as Readonly Overview by disabling submit button. Additional permission used as trigger. Active notices on screen header and after disabled submit button.