removed commented code

parser.go

@@ -139,26 +139,15 @@ func (self *parser) parseList(scanner *scanner, allowVarRef bool) (subtree *term
 }
 
 func (self *parser) parseIterDef(scanner *scanner, allowVarRef bool) (subtree *term, err error) {
-	// var ds *term
 	tk := scanner.Previous()
 	args := make([]*term, 0)
 	lastSym := SymUnknown
-	//dsExpected := true
 	itemExpected := false
 	for lastSym != SymClosedRound && lastSym != SymEos {
 		var subTree *ast
 		if subTree, err = self.parseItem(scanner, allowVarRef, SymComma, SymClosedRound); err == nil {
 			if subTree.root != nil {
-				/*				if dsExpected {
-								if sym := subTree.root.symbol(); sym == SymDict || sym == SymIdentifier {
-									ds = subTree.root
-								} else {
-									err = subTree.root.Errorf("data-source dictionary expected, got %q", subTree.root.source())
-								}
-								dsExpected = false
-							} else {*/
 				args = append(args, subTree.root)
-				//	}
 			} else if itemExpected {
 				prev := scanner.Previous()
 				err = prev.Errorf("expected iterator argument, got %q", prev)