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-rw-r--r--etc/PROBLEMS7
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