code: purgatorio

ref: 79c64a79a248c31733d4ec0ff9fe1a1e57a58f51
dir: /appl/

NOTICE
acme/
alphabet/
charon/
cmd/
collab/
demo/
ebook/
examples/
grid/
lib/
math/
mkfile
spree/
svc/
tiny/
wm/