Bison News
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-* Changes in version 2.4.2 (????-??-??):
+* Changes in version 2.4.1b (2010-02-22):
+
+** Some portability problems that resulted in failures and livelocks
+ in the test suite on some versions of at least Solaris, AIX, HP-UX,
+ RHEL4, and Tru64 have been fixed. As part of those fixes, fatal
+ Bison errors no longer cause M4 to report a broken pipe on the
+ affected platforms.
** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately.
preprocessor warnings (from GCC cpp's -Wunused-macros, for example).
To avoid Bison's future warning, such YYFAIL uses can be moved to the
epilogue (that is, after the second `%%') in the Bison input file. In
- this release (2.4.2), Bison already generates its own code to suppress
+ this release (2.4.1b), Bison already generates its own code to suppress
C preprocessor warnings for YYFAIL, so projects can remove their own
phony uses of YYFAIL if compatibility with Bison releases prior to
- 2.4.2 is not necessary.
+ 2.4.1b is not necessary.
** Internationalization.