I can now use keyword in concept definition and parsing

tests/core/test_concept.py

@@ -19,6 +19,7 @@ from core.concept import Concept, ConceptParts, DEFINITION_TYPE_DEF
     ("a | b", ["a", "b"], "__var__0 | __var__1"),
     ("a b a c", ["a", "b"], "__var__0 __var__1 __var__0 c"),
     ("a b a c", ["b", "a"], "__var__1 __var__0 __var__1 c"),
+    ("def concept a", ["a"], "def concept __var__0"),
 ])
 def test_i_can_compute_the_key(name, variables, expected):
     concept = Concept(name)