+2009-12-07 Eli Zaretskii <eliz@gnu.org>
+
+ Prevent save-buffer in Rmail buffers from using the coding-system
+ of the current message, and from clobbering the encoding mnemonics
+ in the mode line (Bug#4623).
+
+ * mail/rmail.el (rmail-swap-buffers): Swap encoding and modified
+ flag, too.
+ (rmail-message-encoding): New variable.
+ (rmail-write-region-annotate): Record the encoding of the current
+ message in rmail-message-encoding.
+ (rmail-after-save-hook): New function, restores the encoding of
+ the current message after the message collection is saved.
+
2009-12-07 Juri Linkov <juri@jurta.org>
* progmodes/grep.el (grep-read-files): Use `completing-read'