Revamp regular expressions so that " and '

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 98d4f939c572532b390deab824206ced388b5838..b12e974582a70166b25a3754b203916346f76871 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,10 @@ Bison News
 
 Changes in version 1.75b:
 
+* %destructor
+  It is now possible to reclaim the memory associated to symbols
+  discarded during error recovery.  This feature is still experimental.
+
 * Bison now parses C99 lexical constructs like digraphs, UCNs, and
   backslash-newline within C escape sequences, as POSIX now requires.
 
@@ -16,6 +20,9 @@ Changes in version 1.75b:
   In addition, they provide a means for yyerror to remain pure, and
   to access to the current location.
 
+  #defining yyerror to steal internal variables is strongly
+  discouraged.  It is not guaranteed to work for ever.
+
 * #line
   Bison now recognizes #line in its input, and forwards them.
 
@@ -157,9 +164,9 @@ Changes in version 1.50, 2002-10-04:
   the user symbol is used in the reports, the graphs, and the verbose
   error messages instead of `$end', which remains being the default.
   For instance
-     %token YYEOF 0
+     %token MYEOF 0
   or
-     %token YYEOF 0 "end of file"
+     %token MYEOF 0 "end of file"
 
 * Semantic parser
   This old option, which has been broken for ages, is removed.