Make mail-extract-address-components return the user name more

* lisp/mail/mail-extr.el (mail-extract-address-components):
Return the name even if it's the same as the mailbox name (if
`mail-extr-ignore-single-names' isn't set) (bug#22594).

1 files changed, 20 insertions, 19 deletions

diff --git a/lisp/mail/mail-extr.el b/lisp/mail/mail-extr.el
index 63849679e70..9dc3af6ab65 100644
--- a/lisp/mail/mail-extr.el
+++ b/lisp/mail/mail-extr.el
@@ -1406,25 +1406,26 @@ consing a string.)"
               (insert (upcase mi) ". ")))
 
           ;; Nuke name if it is the same as mailbox name.
-          (let ((buffer-length (- (point-max) (point-min)))
-                (i 0)
-                (names-match-flag t))
-            (when (and (> buffer-length 0)
-                       (eq buffer-length (- mbox-end mbox-beg)))
-              (goto-char (point-max))
-              (insert-buffer-substring canonicalization-buffer
-                                       mbox-beg mbox-end)
-              (while (and names-match-flag
-                          (< i buffer-length))
-                (or (eq (downcase (char-after (+ i (point-min))))
-                        (downcase
-                         (char-after (+ i buffer-length (point-min)))))
-                    (setq names-match-flag nil))
-                (setq i (1+ i)))
-              (delete-region (+ (point-min) buffer-length) (point-max))
-              (and names-match-flag
-                           mail-extr-ignore-realname-equals-mailbox-name
-                           (narrow-to-region (point) (point)))))
+          (when mail-extr-ignore-single-names
+            (let ((buffer-length (- (point-max) (point-min)))
+                  (i 0)
+                  (names-match-flag t))
+              (when (and (> buffer-length 0)
+                         (eq buffer-length (- mbox-end mbox-beg)))
+                (goto-char (point-max))
+                (insert-buffer-substring canonicalization-buffer
+                                         mbox-beg mbox-end)
+                (while (and names-match-flag
+                            (< i buffer-length))
+                  (or (eq (downcase (char-after (+ i (point-min))))
+                          (downcase
+                           (char-after (+ i buffer-length (point-min)))))
+                      (setq names-match-flag nil))
+                  (setq i (1+ i)))
+                (delete-region (+ (point-min) buffer-length) (point-max))
+                (and names-match-flag
+                     mail-extr-ignore-realname-equals-mailbox-name
+                     (narrow-to-region (point) (point))))))
 
           ;; Nuke name if it's just one word.
           (goto-char (point-min))