Autoload (ice-9 common-list).
(select-items): New proc.
(make-display-item): New proc.
(display-item): Delete.
(display-items): Use `make-display-item'.
(summarize-guile-TODO): Add option handling.
Autoload (srfi srfi-13) on `string-tokenize'.
(as-leaf): New proc.
(hang-by-the-leaves): Use `as-leaf'.
(read-TODO-file): Expand regexp and specs
to handle "D", "X" and "N%". Fix regexp
to make isolating `who' easier.
(display-item): Handle "D", "X" and "N%".