From ea652962ea772407f939be625b5ab2de3855cca7 Mon Sep 17 00:00:00 2001
From: Terence Parr <parrt@antlr.org>
Date: Fri, 28 Sep 2012 16:39:36 -0700
Subject: [PATCH] allow "tokens {}"

---
 CHANGES.txt                               | 6 +++++-
 tool/playground/T.g                       | 6 +-----
 tool/src/org/antlr/v4/parse/ANTLRParser.g | 1 +
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index f668f7297..8fe733165 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,9 +1,13 @@
 ANTLR v4 Honey Badger
 
+September 28, 2012
+
+* empty "tokens {}" is ok now.
+
 September 22, 2012
 
 * Rule exception handlers weren't passed to the generated code
 * $ruleattribute.foo weren't handled properly
 * Added -package option
 
-September 18, 2012 -- 4.0b1 release
\ No newline at end of file
+September 18, 2012 -- 4.0b1 release
diff --git a/tool/playground/T.g b/tool/playground/T.g
index 6a1ef9b5b..345155ff1 100644
--- a/tool/playground/T.g
+++ b/tool/playground/T.g
@@ -1,12 +1,8 @@
 grammar T;
-<<<<<<< .merge_file_0gRgFB
-s : A ;
-A : 'a';
-=======
 
+tokens {}
 s : INT+ ;
 
 ID : [a-z]+ ;
 INT : [0-9]+ ;
 WS : [ \t\n]+ -> skip ;
->>>>>>> .merge_file_bd3U11
diff --git a/tool/src/org/antlr/v4/parse/ANTLRParser.g b/tool/src/org/antlr/v4/parse/ANTLRParser.g
index 7c10ae500..401baba2c 100644
--- a/tool/src/org/antlr/v4/parse/ANTLRParser.g
+++ b/tool/src/org/antlr/v4/parse/ANTLRParser.g
@@ -284,6 +284,7 @@ delegateGrammar
  */
 tokensSpec
 	: TOKENS_SPEC id (COMMA id)* RBRACE -> ^(TOKENS_SPEC id+)
+    | TOKENS_SPEC RBRACE ->
 	;
 
 // A declaration of a language target specifc section,