X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4ad3921d3be296de6a2b3c5fe0e18136d53ba06d..c826013fb38c98861ef0fc5d4dc3fb3fb4f555be:/NEWS diff --git a/NEWS b/NEWS index 2a0592a1..7097f3bd 100644 --- a/NEWS +++ b/NEWS @@ -180,12 +180,6 @@ Bison News discussion of how to suppress C preprocessor warnings about YYFAIL being unused, see the Bison 2.4.2 NEWS entry. -** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately. - - As promised in Bison 2.4.2's NEWS entry, it is now an error if a token - that appears after a %prec directive is not defined by %token, %left, - %right, or %nonassoc. This is required by POSIX. - ** Temporary hack for adding a semicolon to the user action. Previously, Bison appended a semicolon to every user action for @@ -243,6 +237,14 @@ Bison News ** Failures in the test suite for GCC 4.5 have been fixed. +** Failures in the test suite for some versions of Sun Studio C++ have + been fixed. + +** Contrary to Bison 2.4.2's NEWS entry, it has been decided that + warnings about undefined %prec identifiers will not be converted to + errors in Bison 2.5. They will remain warnings, which should be + sufficient for POSIX while avoiding backward compatibility issues. + * Changes in version 2.4.2 (2010-03-20): ** Some portability problems that resulted in failures and livelocks @@ -260,6 +262,8 @@ Bison News %prec directive. It is now restored. However, for backward compatibility with recent Bison releases, it is only a warning for now. In Bison 2.5 and later, it will return to being an error. + [Between the 2.4.2 and 2.4.3 releases, it was decided that this + warning will not be converted to an error in Bison 2.5.] ** Detection of GNU M4 1.4.6 or newer during configure is improved.