* data/c.m4 (b4_error_verbose_if): New.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index c694aee32d8dc2a69e119cba31b970807345d602..9523191dbf3194faaabb65a32586270c7a9e603c 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,15 +1,25 @@
 Bison News
 ----------
 
-Changes in the next version (not yet released):
+Changes in version 2.1a:
+
+Changes in version 2.1, 2005-09-16:
 
 * Bison-generated parsers now support the translation of diagnostics like
   "syntax error" into languages other than English.  The default
   language is still English.  For details, please see the new
-  Internationalization section of the Bison manual.  Thanks to Bruno
-  Haible for this new feature.
+  Internationalization section of the Bison manual.  Software
+  distributors should also see the new PACKAGING file.  Thanks to
+  Bruno Haible for this new feature.
+
+* Wording in the Bison-generated parsers has been changed slightly to
+  simplify translation.  In particular, the message "memory exhausted"
+  has replaced "parser stack overflow", as the old message was not
+  always accurate for modern Bison-generated parsers.
 
-The following change was also in version 2.0a, 2005-05-22:
+* Destructors are now called when the parser aborts, for all symbols left
+  behind on the stack.  Also, the start symbol is now destroyed after a
+  successful parse.  In both cases, the behavior was formerly inconsistent.
 
 * When generating verbose diagnostics, Bison-generated parsers no longer
   quote the literal strings associated with tokens.  For example, for
@@ -415,6 +425,8 @@ Changes in version 1.31, 2002-01-14:
   alloca is used only when compiled with GCC, to avoid portability
   problems as on AIX.
 
+* yyparse now returns 2 if memory is exhausted; formerly it dumped core.
+
 * When the generated parser lacks debugging code, YYDEBUG is now 0
   (as POSIX requires) instead of being undefined.