+2013-06-28 Kenichi Handa <handa@gnu.org>
+
+ * international/mule.el (define-coding-system): New coding system
+ properties :inhibit-null-byte-detection,
+ :inhibit-iso-escape-detection, and :prefer-utf-8.
+ (set-buffer-file-coding-system): If :charset-list property of
+ CODING-SYSTEM is `emacs', do not check if CODING-SYSTEM is
+ appropriate for setting.
+
+ * international/mule-cmds.el (select-safe-coding-system): If
+ DEFAULT-CODING-SYSTEM is prefer-utf-8 and the buffer contains
+ multibyte characters, return utf-8 (or one of it's siblings).
+
+ * international/mule-conf.el (prefer-utf-8): New coding system.
+ (file-coding-system-alist): Use prefer-utf-8 as default for Elisp
+ files.
+
2013-06-22 Stefan Monnier <monnier@iro.umontreal.ca>
* emacs-lisp/package.el (package-el-version): Remove.