From: Michaël Cadilhac <michael.cadilhac@lrde.org>
Date: Wed, 7 Mar 2007 12:47:15 +0000 (+0000)
Subject: (PC-do-completion): Delete duplicates in the list of possible completions.
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(PC-do-completion): Delete duplicates in the list of possible completions.
---

diff --git a/lisp/complete.el b/lisp/complete.el
index b56dc268c04..5b77f49ebdf 100644
--- a/lisp/complete.el
+++ b/lisp/complete.el
@@ -560,6 +560,9 @@ of `minibuffer-completion-table' and the minibuffer contents.")
 		   (setq poss (cons (car p) poss))))
 	    (setq p (cdr p)))))
 
+      ;; If table had duplicates, they can be here.
+      (delete-dups poss)
+
       ;; Handle completion-ignored-extensions
       (and filename
            (not (eq mode 'help))