$
_
[]
at
attr
case
catch
choice
class
cond
declare
define
dis
else
elsecase
elseif
end
export
fail
false
feat
finally
from
fun
functor
if
import
in
local
lock
meth
nil
not
of
or
prepare
proc
prop
raise
require
self
skip
then
thread
true
try
unit
----------------------------------------------------
[
["keyword", "$"],
["keyword", "_"],
["keyword", "[]"],
["keyword", "at"],
["keyword", "attr"],
["keyword", "case"],
["keyword", "catch"],
["keyword", "choice"],
["keyword", "class"],
["keyword", "cond"],
["keyword", "declare"],
["keyword", "define"],
["keyword", "dis"],
["keyword", "else"],
["keyword", "elsecase"],
["keyword", "elseif"],
["keyword", "end"],
["keyword", "export"],
["keyword", "fail"],
["keyword", "false"],
["keyword", "feat"],
["keyword", "finally"],
["keyword", "from"],
["keyword", "fun"],
["keyword", "functor"],
["keyword", "if"],
["keyword", "import"],
["keyword", "in"],
["keyword", "local"],
["keyword", "lock"],
["keyword", "meth"],
["keyword", "nil"],
["keyword", "not"],
["keyword", "of"],
["keyword", "or"],
["keyword", "prepare"],
["keyword", "proc"],
["keyword", "prop"],
["keyword", "raise"],
["keyword", "require"],
["keyword", "self"],
["keyword", "skip"],
["keyword", "then"],
["keyword", "thread"],
["keyword", "true"],
["keyword", "try"],
["keyword", "unit"]
]
----------------------------------------------------
Checks for keywords.
