X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/9289898605f2a7f68236741748ded7fd29123048..41ca25499ee69a5d7dbbe76b84933e17df651254:/NEWS diff --git a/NEWS b/NEWS index aa6d961e..bc66e854 100644 --- a/NEWS +++ b/NEWS @@ -1,12 +1,44 @@ Bison News ---------- +Changes in version 1.875d, 2004-05-21: + +* 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: -* %expect-count violations are now just warnings, not errors, for - compatibility with Bison 1.75 and earlier (when there are +* 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 - 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. @@ -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.