* parse.y: revert recent change

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11084 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 3 deletions

diff --git a/parse.y b/parse.y
index 21cbbfd839..4359705dcb 100644
--- a/parse.y
+++ b/parse.y
@@ -279,7 +279,7 @@ static void top_local_setup();
 %type <node> f_arglist f_args f_optarg f_opt f_rest_arg f_block_arg opt_f_block_arg
 %type <node> assoc_list assocs assoc undef_list backref string_dvar
 %type <node> block_var opt_block_var brace_block cmd_brace_block do_block lhs none fitem
-%type <node> mlhs mlhs_head mlhs_basic mlhs_item mlhs_node
+%type <node> mlhs mlhs_head mlhs_basic mlhs_entry mlhs_item mlhs_node
 %type <id>   fsym variable sym symbol operation operation2 operation3
 %type <id>   cname fname op
 %type <num>  f_norm_arg f_arg
@@ -743,7 +743,14 @@ command		: operation command_args       %prec tLOWEST
 		;
 
 mlhs		: mlhs_basic
-		| tLPAREN mlhs ')'
+		| tLPAREN mlhs_entry ')'
+		    {
+			$$ = $2;
+		    }
+		;
+
+mlhs_entry	: mlhs_basic
+		| tLPAREN mlhs_entry ')'
 		    {
 			$$ = NEW_MASGN(NEW_LIST($2), 0);
 		    }
@@ -776,7 +783,7 @@ mlhs_basic	: mlhs_head
 		;
 
 mlhs_item	: mlhs_node
-		| tLPAREN mlhs ')'
+		| tLPAREN mlhs_entry ')'
 		    {
 			$$ = $2;
 		    }