Merge remote-tracking branch 'reusee/master' into HEAD

src/libstd/str.rs

@@ -14,7 +14,7 @@
  * Strings are a packed UTF-8 representation of text, stored as null
  * terminated buffers of u8 bytes.  Strings should be indexed in bytes,
  * for efficiency, but UTF-8 unsafe operations should be avoided.  For
- * some heavy-duty uses, try std::rope.
+ * some heavy-duty uses, try extra::rope.
  */
 
 use at_vec;