Defer stuff
This topic contains packages for 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.