Merge branch 'maint'

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index ee1b0957bfeb02aa0339574a5bcdace6e85bddbc..fd1cadd4c4dc7dcf16cedc28137e1b4748485af5 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -250,7 +250,9 @@ GNU Bison NEWS
   Incorrect definitions of YY_, issued by yacc.c when no parser header is
   generated, are removed.
 
-** Changes in the format of errors and exceptions output
+  All the generated headers are self-contained.
+
+** Changes in the format of error messages
 
   This used to be the format of many error reports:
 
@@ -262,6 +264,17 @@ GNU Bison NEWS
     foo.y:5.10-25: result type clash on merge function 'merge': <t3> != <t2>
     foo.y:4.13-27:     previous declaration
 
+** Header guards (yacc.c, glr.c, glr.cc)
+
+  In order to avoid collisions, the header guards are now
+  YY_<PREFIX>_<FILE>_INCLUDED, instead of merely <PREFIX>_<FILE>.
+  For instance the header generated from
+
+    %define api.prefix "calc"
+    %defines "lib/parse.h"
+
+  will use YY_CALC_LIB_PARSE_H_INCLUDED as guard.
+
 * Noteworthy changes in release 2.6.2 (2012-08-03) [stable]
 
 ** Bug fixes
@@ -2120,7 +2133,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  LocalWords:  Automake TMPDIR LESSEQ ylwrap endif yydebug YYTOKEN YYLSP ival hh
  LocalWords:  extern YYTOKENTYPE TOKENTYPE yytokentype tokentype STYPE lval pdf
  LocalWords:  lang yyoutput dvi html ps POSIX lvalp llocp Wother nterm arg init
- LocalWords:  TOK
+ LocalWords:  TOK calc yyo fval
 
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