--rw-rw-r-- ericvh sys  285 Apr 28  2010 Makefile
--rw-rw-r-- ericvh sys 3947 Apr 28  2010 arith.go
--rw-rw-r-- ericvh sys 2561 Apr 28  2010 color.go
--rw-rw-r-- ericvh sys 3807 Apr 28  2010 draw.go
--rw-rw-r-- ericvh sys 1580 Apr 28  2010 event.go
--rw-rw-r-- ericvh sys  267 Apr 28  2010 mkfile
d-rwxrwxr-x ericvh sys    0 Jul 15  2018 x11