+ (setq field-body (ew-lf-crlf-to-crlf
+ (save-excursion
+ (set-buffer src-buf)
+ (buffer-substring p end))))
+ (setq decoded (ew-decode-field field-name field-body))
+ (unless (equal field-body decoded)
+ (setq decoded (ew-crlf-refold
+ decoded
+ (1+ (string-width field-name))
+ fill-column)))