---

yaml
---
r: 192185
b: refs/heads/master
c: bc9d9f2
h: refs/heads/master
i:
  192183: 04950ea
v: v3

Author: FuGangqiang

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: c175b35495487da6a62bb5d4d9ed7df64186b106
+refs/heads/master: bc9d9f20db488dae2b6a80e4b30d1cf3d69058c1
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: a923278c6278c63468d74772c58dbf788e88f58c
 refs/heads/try: ce76bff75603a754d092456285ff455eb871633d

trunk/src/doc/reference.md

@@ -3158,7 +3158,7 @@ ten_times(|j| println!("hello, {}", j));
 ### While loops
 
 ```{.ebnf .gram}
-while_expr : "while" no_struct_literal_expr '{' block '}' ;
+while_expr : [ lifetime ':' ] "while" no_struct_literal_expr '{' block '}' ;
 ```
 
 A `while` loop begins by evaluating the boolean loop conditional expression.
@@ -3223,7 +3223,7 @@ A `continue` expression is only permitted in the body of a loop.
 ### For expressions
 
 ```{.ebnf .gram}
-for_expr : "for" pat "in" no_struct_literal_expr '{' block '}' ;
+for_expr : [ lifetime ':' ] "for" pat "in" no_struct_literal_expr '{' block '}' ;
 ```
 
 A `for` expression is a syntactic construct for looping over elements provided