ENCODING allows \"B\" or \"Q\".
MODE is allows `text', `comment', `phrase' or nil. Default value is
`phrase'."
- (let ((text (encoded-text-encode-string string encoding)))
+ (let ((text (encoded-text-encode-string string encoding mode)))
(if text
(concat "=?" (upcase (symbol-name charset)) "?"
encoding "?" text "?=")