Undo previous change, then add comment as to why the

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
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 Bison News
 ----------
 
-Changes in version 2.0a, 2005-05-22:
+Changes in version 2.0b, 2005-07-24:
 
-* Bison-generated C parsers now support the translation of diagnostics like
+* 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.
+
+* 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.
+
+* The yytname array now contains the same contents that it did in 2.0,
+  undoing an incompatible and undocumented change made in 2.0a.
+
+Changes in version 2.0a, 2005-05-22:
 
-* When generating verbose diagnostics, Bison-generated C parsers no longer
+* When generating verbose diagnostics, Bison-generated parsers no longer
   quote the literal strings associated with tokens.  For example, for
   a syntax error associated with '%token NUM "number"' they might
   print 'syntax error, unexpected number' instead of 'syntax error,