portability: fix several issues with M4 subprocess.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 9b33d13f0bb222c658ab46970324975e92596034..f11844de3738893ba112fccacdf2b52f4c7b8cc0 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -3,8 +3,11 @@ Bison News
 
 * Changes in version 2.4.2 (????-??-??):
 
-** Some portability problems in the testsuite that resulted in failures
-   on at least Solaris 2.7 have been fixed.
+** 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.