--- a/PROBLEMS	Mon Aug 13 11:33:40 2007 +0200
+++ b/PROBLEMS	Mon Aug 13 11:35:02 2007 +0200
@@ -144,9 +144,15 @@
 ** AIX
 *** On AIX 4.3, you must specify --with-dialogs=athena with configure
 
-*** The libXt shipped with AIX 4.3 is broken.  This causes xemacs -nw
-    to fail in various ways.  The solution is to build against stock
-    X11R6.
+*** The libXt shipped with AIX 4.3 up to 4.3.2 is broken.  This causes
+    xemacs -nw to fail in various ways.  The official APAR is this:
+
+APAR NUMBER: <IX89470>            RESOLVED AS: PROGRAM ERROR
+
+ABSTRACT:
+<IX89470>: LIBXT.A INCORRECT HANDLING OF EXCEPTIONS IN XTAPPADDINPUT
+
+    The solution is to install X11.base.lib at version >=4.3.2.5.
 
 *** On AIX, you get this compiler error message:
 
@@ -394,21 +400,22 @@
 
 *** On HP-UX, problems with make
 
-Marcus Thiessel <marcus_thiessel@hp.com>
+Marcus Thiessel <marcus@xemacs.org>
 
   Some releases of XEmacs (e.g. 20.4) require GNU make to build
   successfully. You don't need GNU make when building 21.x.
 
 *** On HP-UX 9.05 XEmacs won't compile or coredump during the build.
 
-Marcus Thiessel <marcus_thiessel@hp.com>
+Marcus Thiessel <marcus@xemacs.org>
 
   This might be a sed problem. For your own safety make sure to use
   GNU sed while dumping XEmacs.
 
-*** On HP-UX 11.0 XEmacs causes excessive X11 errors when running.
+*** On HP-UX 11.0 XEmacs causes excessive X11 errors when running. 
+    (also appears on AIX as reported in comp.emacs.xemacs)
 
-Marcus Thiessel <marcus_thiessel@hp.com>
+Marcus Thiessel <marcus@xemacs.org>
 
   Unfortunately, XEmacs releases prior to 21.0 don't work with
   Motif2.1. It will compile but you will get excessive X11 errors like
@@ -424,6 +431,19 @@
   Make sure /usr/lib/Motif1.2_R6/libXm.sl is a link to
   /usr/lib/Motif1.2_R6/libXm.3.
 
+*** On HP-UX 11.0: Object "" does not have windowed ancestor
+
+Marcus Thiessel <marcus@xemacs.org>
+
+  XEmacs dies without core file and reports:
+
+    Error: Object "" does not have windowed ancestor.
+
+  This is a bug. Please apply the patch PHSS_19964 (check if
+  superseded). The other alternative is to link with Motif1.2_R6 (see
+  previous item).
+
+
 ** SCO OpenServer
 *** Native cc on SCO OpenServer 5 is now OK.  Icc may still throw you
 a curve.  Here is what Robert Lipe <robertl@arnet.com> says:
@@ -503,7 +523,7 @@
 
 This is usually because xmkmf is not in your path or because you are
 using the default cygwin shell. The default cygwin shell (/bin/sh.exe)
-is ash which appears to work in most circumstances but has some wierd
+is ash which appears to work in most circumstances but has some weird
 failure modes. I recommend replacing sh.exe with bash.exe, this will
 mean configure is slower but more reliable.
 
@@ -1025,7 +1045,7 @@
 Or you could set TERMCAP only when you set TERM--which should not
 happen in a non-login shell.
 
-*** The popup menu appears at the buttom/right of my screen.
+*** The popup menu appears at the bottom/right of my screen.
 
 You probably have something like the following in your ~/.Xdefaults
 
@@ -1407,7 +1427,7 @@
   launched. Forcing a static link of libc.a alone by adding
   /usr/lib/libc.a at the end of the link line solves this. Note that
   my 9.07 build of 19.14b17 and my (old) build of 19.13 both exhibit
-  the same behaviour. I've tried various hpux patches to no avail. If
+  the same behavior. I've tried various hpux patches to no avail. If
   this problem cannot be solved before the release date, binary kits
   for HP *must* be linked statically against libc, otherwise this
   problem will show up. (This is directed at whoever will volunteer
@@ -1438,6 +1458,60 @@
     add mod2 = Mode_switch
     EOF
 
+
+*** XEmacs dumps core at startup when native audio is used.  Native
+audio does not work with recent versions of HP-UX.
+
+Under HP-UX 10.20 and later (e.g., HP-UX 11.XX), with native audio
+enabled, the dumped XEmacs binary ("xemacs") core dumps at startup if
+recent versions of the libAlib.sl audio shared library is used.  Note
+that "temacs" will run, but "xemacs" will dump core.  This, of course,
+causes the XEmacs build to fail.  If GNU malloc is enabled, a stack
+trace will show XEmacs to have crashed in the "first" call to malloc().
+
+This bug currently exists in all versions of XEmacs, when the undump
+mechanism is used.  It is not known if using the experimental portable
+dumper will allow native audio to work.
+
+**** Cause:
+
+Recent versions of the HP-UX 10.20 (and later) audio shared library (in
+/opt/audio/lib), pulls in the libdce shared library, which pulls in a
+thread (libcma) library.  This prevents the HP-UX undump() routine (in
+unexhp9k800.c) from properly working.  What's happening is that some
+initialization routines are being called in the libcma library, *BEFORE*
+main() is called, and these initialization routines are calling
+malloc().  Unfortunately, in order for the undumper to work, XEmacs must
+adjust (move upwards) the sbrk() value *BEFORE* the first call to
+malloc(); if malloc() is called before XEmacs has properly adjusted sbrk
+(which is what is happening), dumped memory that is being used by
+XEmacs, is improperly re-allocated for use by malloc() and the dumped
+memory is corrupted.  This causes XEmacs to die an horrible death.
+
+It is believed that versions of the audio library past December 1998
+will trigger this problem.  Under HP-UX 10.20, you probably have to
+install audio library patches to encounter this.  It's probable that
+recent "fresh, out-of-the-box" HP-UX 11.XX workstations also have this
+problem.  For HP-UX 10.20, it's believed that audio patch PHSS_17121 (or
+a superceeding one, like PHSS_17554, PHSS_17971, PHSS_18777, PHSS_21481,
+or PHSS_21662, etc.) will trigger this.
+
+To check if your audio library will cause problems for XEmacs, run
+"chatr /opt/audio/lib/libAlib.sl".  If "libdce" appears in the displayed
+shared library list, XEmacs will probably encounter problems if audio is
+enabled.
+
+**** Workaround:
+
+Don't enable native audio.  Re-run configure without native audio
+support.
+
+If your site supports it, try using NAS (Network Audio Support).
+
+Try using the experimental portable dumper.  It may work, or it may
+not.
+
+
 *** `Pid xxx killed due to text modification or page I/O error'
 
 On HP-UX, you can get that error when the Emacs executable is on an NFS