qp.el (quoted-printable-decode-region): Fix previous change; handle lowercase a..f.

2 files changed, 11 insertions, 2 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 37d89ba8cad..fe025210c2a 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2012-09-06  Kenichi Handa  <handa@gnu.org>
+
+        * qp.el (quoted-printable-decode-region): Fix previous change; handle
+        lowercase a..f.
+
 2012-09-03  Lars Ingebrigtsen  <larsi@gnus.org>
 
         * dgnushack.el: XEmacs 21.5 compilation fix.
diff --git a/lisp/gnus/qp.el b/lisp/gnus/qp.el
index 87252684a48..bfa1fe0a6d4 100644
--- a/lisp/gnus/qp.el
+++ b/lisp/gnus/qp.el
@@ -55,8 +55,12 @@ them into characters should be done separately."
       ;; recognize them as the corresponding uppercase letters.''
       (let ((case-fold-search t)
             (decode-hex #'(lambda (n1 n2)
-                            (+ (* (if (<= n1 ?9) (- n1 ?0) (+ (- n1 ?A) 10)) 16)
-                               (if (<= n2 ?9) (- n2 ?0) (+ (- n2 ?A) 10))))))
+                            (+ (* (if (<= n1 ?9) (- n1 ?0)
+                                    (if (<= n1 ?F) (+ (- n1 ?A) 10)
+                                      (+ (- n1 ?a) 10))) 16)
+                               (if (<= n2 ?9) (- n2 ?0)
+                                 (if (<= n2 ?F) (+ (- n2 ?A) 10)
+                                   (+ (- n2 ?a) 10)))))))
         (narrow-to-region from to)
         ;; Do this in case we're called from Gnus, say, in a buffer
         ;; which already contains non-ASCII characters which would