Merge from emacs--devo--0

Patches applied:

 * emacs--devo--0  (patch 890-898)

   - Update from CVS
   - Merge from emacs--rel--22

 * emacs--rel--22  (patch 122-128)

   - Update from CVS
   - Merge from gnus--rel--5.10

 * gnus--rel--5.10  (patch 257-258)

   - Merge from emacs--rel--22
   - Update from CVS

Revision: emacs@sv.gnu.org/emacs--unicode--0--patch-270

1 files changed, 7 insertions, 0 deletions

diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 7ebf7ae8edd..d098fcc2c11 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -2204,6 +2204,13 @@ month names with consistent widths for some locales on some versions
 of Windows. This is caused by a deficiency in the underlying system
 library function.
 
+The functions set-time-zone-rule, and display-time-world (which uses it)
+do not work on Windows. Fixing this is difficult, since Windows uses
+localtime for the system clock, and any attempt to change the timezone
+would have to be accompanied by a clock change for the results to remain
+consistent. The way in which these functions are used is not intended to
+cause such system-wide disruption.
+
 Files larger than 4GB cause overflow in the size (represented as a
 32-bit integer) reported by `file-attributes'.  This affects Dired as
 well, since the Windows port uses a Lisp emulation of `ls' that relies