From 3e521bfd96597d89dc2f0e8026caf8beee8959d9 Mon Sep 17 00:00:00 2001
From: "Carol (Nichols || Goulding)" <carol.nichols@gmail.com>
Date: Tue, 28 Apr 2015 21:09:28 -0400
Subject: [PATCH] Add boolean literal to the grammar

To make this rule match the definition of Lit_ in
https://github.com/rust-lang/rust/blob/master/src/libsyntax/ast.rs
---
 src/doc/grammar.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/doc/grammar.md b/src/doc/grammar.md
index 4b6790c763b..ad4c0c1711b 100644
--- a/src/doc/grammar.md
+++ b/src/doc/grammar.md
@@ -176,7 +176,7 @@ excluded from the `ident` rule.
 
 ```antlr
 lit_suffix : ident;
-literal : [ string_lit | char_lit | byte_string_lit | byte_lit | num_lit ] lit_suffix ?;
+literal : [ string_lit | char_lit | byte_string_lit | byte_lit | num_lit | bool_lit ] lit_suffix ?;
 ```
 
 #### Character and string literals
@@ -238,7 +238,9 @@ dec_lit : [ dec_digit | '_' ] + ;
 
 #### Boolean literals
 
-**FIXME:** write grammar
+```antlr
+bool_lit : [ "true" | "false" ] ;
+```
 
 The two values of the boolean type are written `true` and `false`.