--- esV.py-	2016-09-10 00:00:00.000000000 +0900
+++ esV.py	2016-09-10 01:00:00.000000000 +0900
@@ -246,7 +246,7 @@ def es_split(s):
 		[ 2, '>', [ '||' ] ],
 		[ 3, '<', [ '?', ':' ] ],
 		[ 2, '<', [ '=', '+=', '-=', '*=', '/=', '%=', '&=', '|=', '^=', '~=', '>>=', '<<=' ] ],
-		# [ 2, '>', [ ',' ] ], # ...
+		[ 2, '>', [ ',' ] ], # ...
 	]
 
 	f = lambda t, (term, bind, lst): t + [ v for v in lst if v not in t ]
@@ -263,7 +263,7 @@ def es_split(s):
 		'type' : [ 'int', 'char', 'void' ],
 		'kwd' : [ 'return', 'if', 'else', 'while', 'for' ],
 		'spc' : [ ' ', '\t', '\n' ],
-		'etc' : [ ';', ',' ],
+		'etc' : [ ';' ],
 	}
 
 	enc = lambda ki, idx: '@{:02d}{:02d}'.format(ki, idx)
@@ -377,6 +377,8 @@ def do_op2(v, a, b, info):
 		return a >= b
 	if v == '>':
 		return a > b
+	if v == ',':
+		return b
 
 	warn_no_sup('do_op2', 'v', v)
 
@@ -428,6 +430,11 @@ def do_kwd(v, expr, info):
 
 	warn_no_sup('do_kwd', 'v', v)
 
+def do_comma(e, info):
+	if e[:2] != ['op', ',']:
+		return [ do_expr(e, info) ]
+	return do_comma( e[2], info ) + [ do_expr( e[3], info ) ]
+
 def do_expr(expr, info):
 	if info.get('verb') >= 2:
 		print('expr={}'.format(expr))
@@ -453,7 +460,8 @@ def do_expr(expr, info):
 		return do_arr( v, expr[2], info )
 	if k == 'fcall':
 		(_, _, args) = expr[2]
-		args = [ do_expr(e, info) for e in args if e != [ 'etc', ',' ] ]
+		if len(args) > 0:
+			args = do_comma( args[0], info )
 		return do_fcall(v, args, info)
 
 	if k in [ 'type', 'fproto', 'etc' ]:  # do nothing !!!