X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/402b123d0c77e85c8baaad80c7ad1051fb8378e6..b47b6ff7fd5b6d3928d44bfbb7b8836ee3348704:/NEWS

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@@ -3,15 +3,38 @@ Bison News
 
 * Changes in version ?.? (????-??-??):
 
+** Java skeleton improvements:
+
+  The constants for token names were moved to the Lexer interface.
+  Also, it is possible to add code to the parser's constructors using
+  "%code init" and "%define init_throws".
+
 * Changes in version 2.4.2 (????-??-??):
 
 * Changes in version 2.4.1 (2008-12-11):
 
-* Java skeleton improvements:
+** In the GLR defines file, unexpanded M4 macros in the yylval and yylloc
+   declarations have been fixed.
 
-  The constants for token names were moved to the Lexer interface.
-  Also, it is possible to add code to the parser's constructors using
-  "%code init" and "%define init_throws".
+** Temporary hack for adding a semicolon to the user action.
+
+  Bison used to prepend a trailing semicolon at the end of the user
+  action for reductions.  This allowed actions such as
+
+    exp: exp "+" exp { $$ = $1 + $3 };
+
+  instead of
+
+    exp: exp "+" exp { $$ = $1 + $3; };
+
+  Some grammars still depend on this `feature'.  Bison 2.4.1 restores
+  the previous behavior in the case of C output (specifically, when
+  neither %language or %skeleton or equivalent command-line options
+  are used) to leave more time for grammars depending on the old
+  behavior to be adjusted.  Future releases of Bison will disable this
+  feature.
+
+** A few minor improvements to the Bison manual.
 
 * Changes in version 2.4 (2008-11-02):