Topic defer-stuff
saving things for later use
Execute stuff at \shipout time
Provides the \AtEndDvi command
Hooks at the very end of a document
Hooks for auxiliary files
Provides an At-Begin-Page hook
Flexible Captioning and Deferred Box/List Printing
Add picture commands (or backgrounds) to every page
Provide hooks to be run on every page of a document
Provides hooks into \selectfont
Take action at every \shipout
Theorems, lemmas, etc., in appendix