code: purgatorio

ref: c0cbe87b357a4464a7d10ab8f38a65c77ea3b629
dir: /appl/

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