update concat_idents doc stubs

diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs
index f9371ed0575e49782f7471320d83c5b852d663a1..c830c22ee5f50b1c58a46732cbe56036882756c2 100644 (file)
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@@ -606,8 +606,8 @@ macro_rules! option_env {
     #[macro_export]
     #[cfg(dox)]
     macro_rules! concat_idents {
-        ($($e:ident),*) => ({ /* compiler built-in */ });
-        ($($e:ident,)*) => ({ /* compiler built-in */ });
+        ($($e:ident),+) => ({ /* compiler built-in */ });
+        ($($e:ident,)+) => ({ /* compiler built-in */ });
     }
 
     /// Concatenates literals into a static string slice.

diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs
index 6902ec82047d73094259a93eccd16f401cebe179..d1274a4090087b61351444b37d2dc510aeb75ec6 100644 (file)
--- a/src/libstd/macros.rs
+++ b/src/libstd/macros.rs
@@ -450,8 +450,8 @@ macro_rules! option_env {
     #[unstable(feature = "concat_idents_macro", issue = "29599")]
     #[macro_export]
     macro_rules! concat_idents {
-        ($($e:ident),*) => ({ /* compiler built-in */ });
-        ($($e:ident,)*) => ({ /* compiler built-in */ });
+        ($($e:ident),+) => ({ /* compiler built-in */ });
+        ($($e:ident,)+) => ({ /* compiler built-in */ });
     }
 
     /// Concatenates literals into a static string slice.