/L20 Block Comment On = (* Block Comment Off = *) File Extensions = ML MLI
/C1
and as asr
begin
class closed constraint
do done downto
else end exception external  
failwith false flush for fun function functor
if in include inherit incr
land let lor lsl lsr lxor
match method mod module mutable
new not
of open option or
parser private
ref rec raise regexp
sig struct stdout stdin stderr
then to true try type
val virtual
when while with
/C2
Hashtbl
Array
Data
Util
Printf
Str
/C3
array 
bool
dummy
float
int
list
string
unit