code: purgatorio

ref: d7809194db6f52a6fc87a6d10bff7e78cc03c4d2
dir: /appl/

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