git: purgatorio

ref: b7defb5ff290bb2f97e5e7d6948db0a9dc4bdd6a
dir: /appl/

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