todo-categories-mode
    
    todo-categories-mode is an interactive compiled Lisp function in `todo-mode.el'.
(todo-categories-mode)
Parent mode: `special-mode'.
Major mode for displaying and editing todo categories.
key             binding
---             -------
#		todo-set-category-number
-		negative-argument
0 .. 9		digit-argument
a		todo-sort-categories-by-archived
c		todo-sort-categories-alphabetically-or-numerically
d		todo-sort-categories-by-done
l		todo-lower-category
n		todo-next-button
p		todo-previous-button
q		todo-quit
r		todo-raise-category
t		todo-sort-categories-by-todo
y		todo-sort-categories-by-diary
<backtab>	todo-previous-button
<remap>		Prefix Command
<tab>		todo-next-button
In addition to any hooks its parent mode `special-mode' might have run,
this mode runs the hook `todo-categories-mode-hook', as the final step
during initialization.