deterministic user-token-number redeclaration errors.

[bison.git] / src / uniqstr.h

diff --git a/src/uniqstr.h b/src/uniqstr.h
index c986df07f23003d7a17ef71b0e90cc8db87536d8..04600e941187a24af5919511592d08078373a7c1 100644 (file)
--- a/src/uniqstr.h
+++ b/src/uniqstr.h
@@ -1,6 +1,6 @@
 /* Keeping a unique copy of strings.
 
-   Copyright (C) 2002, 2003, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2008, 2009 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -32,8 +32,8 @@ uniqstr uniqstr_new (char const *str);
 /* Two uniqstr values have the same value iff they are the same.  */
 #define UNIQSTR_EQ(USTR1, USTR2) ((USTR1) == (USTR2))
 
-/* Compare two uniqstr a la strlen: negative for <, nul for =, and
-   positive for >.  */
+/* Compare two uniqstr a la strcmp: negative for <, nul for =, and
+   positive for >.  Undefined order, relies on addresses.  */
 #define UNIQSTR_CMP(USTR1, USTR2) ((USTR1) - (USTR2))
 
 /*--------------------------------------.