todo-set-category-number
todo-set-category-number is an interactive compiled Lisp function in `todo-mode.el
'.
(todo-set-category-number &optional ARG)
Change number of category at point in the table of categories.
With ARG nil, prompt for the new number. Alternatively, the
enter the new number with numerical prefix ARG. Otherwise, if
ARG is either of the symbols `raise' or `lower', raise or lower
the category line in the table by one, respectively, thereby
decreasing or increasing its number.