Improve hol_light:
tree1b3f2ac9859e6c9bb2ece255428b3f4a19f1dee3
-rw-r--r-- 1650 COPYING
-rw-r--r-- 1 STABLE
-rw-r--r-- 4 VERSION
-rw-r--r-- 41 default.nix
drwxr-xr-x - doc
drwxr-xr-x - maintainers
drwxr-xr-x - pkgs