Function: mail-unquote-printable-hexdigit
mail-unquote-printable-hexdigit is a byte-compiled function defined in
mail-utils.el.gz.
Signature
(mail-unquote-printable-hexdigit CHAR)
Source Code
;; Defined in /usr/src/emacs/lisp/mail/mail-utils.el.gz
(defun mail-unquote-printable-hexdigit (char)
(setq char (upcase char))
(if (>= char ?A)
(+ (- char ?A) 10)
(- char ?0)))