shithub: purgatorio

ref: 6c2f8fd5e4f0e0be44495a5526930fa3760cd87e
dir: /appl/

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