X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=emacs%2Fnotmuch.el;h=6d37c623e6597cb4f43c0d6029b2f9502f93c89f;hb=a34d7b41444ad2fb50cc7def25659c88d439780a;hp=d2e87b1b1256f5aaa456b726df8667e13cead700;hpb=9ca1f945d9f5030600dc14ffff10d4dad14db4ca;p=notmuch

diff --git a/emacs/notmuch.el b/emacs/notmuch.el
index d2e87b1b..6d37c623 100644
--- a/emacs/notmuch.el
+++ b/emacs/notmuch.el
@@ -577,7 +577,7 @@ thread."
     (notmuch-search-foreach-result beg end
       (lambda (pos)
 	(setq output (append output (notmuch-search-get-tags pos)))))
-    output))
+    (delete-dups output)))
 
 (defun notmuch-search-interactive-tag-changes (&optional initial-input)
   "Prompt for tag changes for the current thread or region.
@@ -814,13 +814,13 @@ non-authors is found, assume that all of the authors match."
 	(setq invisible-string (notmuch-search-author-propertize invisible-string)))
       ;; If there is any invisible text, add it as a tooltip to the
       ;; visible text.
-      (unless (string= invisible-string "")
+      (unless (string-empty-p invisible-string)
 	(setq visible-string
 	      (propertize visible-string
 			  'help-echo (concat "..." invisible-string))))
       ;; Insert the visible and, if present, invisible author strings.
       (insert visible-string)
-      (unless (string= invisible-string "")
+      (unless (string-empty-p invisible-string)
 	(let ((start (point))
 	      overlay)
 	  (insert invisible-string)