Update location of patched M4 distribution.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 114a0fd1647401a1a0554fff722f213a3226d2ad..bc66e854a11a0a49833c3dfb812be170341f62ee 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,12 +1,44 @@
 Bison News
 ----------
 
 Bison News
 ----------
 

-Changes in version 1.875a:
+Changes in version 1.875d, 2004-05-21:

 
 

-* %expect-count violations are now just warnings, not errors, for
-  compatibility with Bison 1.75 and earlier (when there are
+* Unescaped newlines are no longer allowed in character constants or
+  string literals.  They were never portable, and GCC 3.4.0 has
+  dropped support for them.  Better diagnostics are now generated if
+  forget a closing quote.
+
+* NUL bytes are no longer allowed in Bison string literals, unfortunately.
+
+* %token numbers can now be hexadecimal integers, e.g., `%token FOO 0x12d'.
+  This is a GNU extension.
+
+* A new directive "%expect-rr N" specifies the expected number of
+  reduce/reduce conflicts in GLR parsers.
+
+* Experimental %destructor support has been added to lalr1.cc.
+
+Changes in version 1.875c, 2003-08-25:
+
+  (Just bug fixes.)
+
+Changes in version 1.875b, 2003-06-17:
+
+* GLR grammars now support locations.
+
+* Semicolon changes:
+  - Semicolons are now allowed before "|" in grammar rules, as POSIX requires.
+  - Stray semicolons are no longer allowed at the start of a grammar.
+  - Semicolons are now required after in-grammar declarations.
+
+Changes in version 1.875a, 2003-02-01:
+
+* For now, %expect-count violations are now just warnings, not errors.
+  This is for compatibility with Bison 1.75 and earlier (when there are

   reduce/reduce conflicts) and with Bison 1.30 and earlier (when there
   reduce/reduce conflicts) and with Bison 1.30 and earlier (when there

-  are too many or too few shift/reduce conflicts).
+  are too many or too few shift/reduce conflicts).  However, in future
+  versions of Bison we plan to improve the %expect machinery so that
+  these violations will become errors again.

 
 * New configure option --disable-yacc, to disable installation of the
   yacc command and -ly library introduced in 1.875 for POSIX conformance.
 
 * New configure option --disable-yacc, to disable installation of the
   yacc command and -ly library introduced in 1.875 for POSIX conformance.


@@ -538,7 +570,7 @@ End:
 
 -----
 
 
 -----
 

-Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.
 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Compiler Compiler.