skeletons: use header guards.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index fd51b61b61163388870c814ba33de6ac0f3e636e..118aae38592b12d1f81a05558f08f5b70306f2d8 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -8,14 +8,23 @@ GNU Bison NEWS
   and remove the definition of yystype (removal announced since Bison
   1.875).
 
-** Changes in regular C parsers (yacc.c):
-
-*** The generated header is included
+** The generated header is included (yacc.c)
 
   Instead of duplicating the content of the generated header (definition of
   YYSTYPE, yyltype etc.), the generated parser now includes it, as was
   already the case for GLR or C++ parsers.
 
+** Header guards (yacc.c, glr.c, glr.cc)
+
+  The generated headers are now guarded, as is already the case for C++
+  parsers (lalr1.cc).  For intance, with --defines=foo.h:
+
+  #ifndef YY_FOO_H
+  # define YY_FOO_H
+  ...
+  #endif /* !YY_FOO_H  */
+
+
 * Noteworthy changes in release 2.5.1 (2012-06-05) [stable]
 
 ** Future changes: