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diff --git a/ChangeLog b/ChangeLog
index 88e34a7..5959544 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -380,3 +380,18 @@ Changes since rc-1.5b2
 
   Configuration: if you say `--with-readline' or `--with-editline' it is now an
   error if the appropriate library is not found.
+
+  Bug: rc didn't work on RedHat 5 systems.  This is because of
+  peculiarities in the handling of signals and system calls on this
+  system (the C library attempts to fake restartable system calls).
+  The fix I have put in place involves testing at configure time for
+  sigaction() and SA_INTERRUPT: if both exist, we set up sys_signal()
+  to be an "always interrupt" wrapper around sigaction().  (If we don't
+  have sigaction(), we use signal() and check for restartable system
+  calls as usual.)  I'm not entirely confident that this fix is solid.
+
+  Portability: on AIX, lconv is defined by the system header files.  Rename
+  lconv in print.c to avoid the clash.
+
+  Testing: add a test that `cd' prints the new directory if we are interactive and
+  the directory was found via $cdpath.