X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/b14e3e21ec6702d27257a1400681fc36ee10282f..6e5a5743ddab1142018f20000081184f0bd9dc94:/lisp/pcmpl-linux.el

diff --git a/lisp/pcmpl-linux.el b/lisp/pcmpl-linux.el
index 8090397627..9da931bbac 100644
--- a/lisp/pcmpl-linux.el
+++ b/lisp/pcmpl-linux.el
@@ -1,6 +1,6 @@
 ;;; pcmpl-linux.el --- functions for dealing with GNU/Linux completions
 
-;; Copyright (C) 1999-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1999-2014 Free Software Foundation, Inc.
 
 ;; Package: pcomplete
 
@@ -31,9 +31,10 @@
 
 (require 'pcomplete)
 
-(defgroup pcmpl-linux nil
-  "Functions for dealing with GNU/Linux completions."
-  :group 'pcomplete)
+;; Unused.
+;;; (defgroup pcmpl-linux nil
+;;;   "Functions for dealing with GNU/Linux completions."
+;;;   :group 'pcomplete)
 
 ;; Functions:
 
@@ -83,6 +84,19 @@
 	  (forward-line)))
       (pcomplete-uniqify-list points))))
 
+(defun pcomplete-pare-list (l r)
+  "Destructively remove from list L all elements matching any in list R.
+Test is done using `equal'."
+  (while (and l (and r (member (car l) r)))
+    (setq l (cdr l)))
+  (let ((m l))
+    (while m
+      (while (and (cdr m)
+		  (and r (member (cadr m) r)))
+	(setcdr m (cddr m)))
+      (setq m (cdr m))))
+  l)
+
 (defun pcmpl-linux-mountable-directories ()
   "Return a list of mountable directory names."
   (let (points)