0**y is 1 if y is 1, and 0 otherwise (previously: 0**y is undefined)
-rw-r--r-- 1058 Makefile
-rw-r--r-- 1428 README
drwxr-xr-x - gui
drwxr-xr-x - packages
drwxr-xr-x - report
drwxr-xr-x - styles
drwxr-xr-x - tools