default-enable-multibyte-characters.
(defun browse-url-file-url (file)
"Return the URL corresponding to FILE.
Use variable `browse-url-filename-alist' to map filenames to URLs."
- (let ((coding (and default-enable-multibyte-characters
+ (let ((coding (and (default-value 'enable-multibyte-characters)
(or file-name-coding-system
default-file-name-coding-system))))
(if coding (setq file (encode-coding-string file coding))))