@c -*-texinfo-*-
@c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2001,
-@c 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+@c Copyright (C) 1990-1995, 1998-1999, 2001-2011 Free Software Foundation, Inc.
@c See the file elisp.texi for copying conditions.
@setfilename ../../info/lists
@node Lists, Sequences Arrays Vectors, Strings and Characters, Top
@cindex CL note---lack @code{union}, @code{intersection}
@quotation
@b{Common Lisp note:} Common Lisp has functions @code{union} (which
-avoids duplicate elements) and @code{intersection} for set operations,
-but GNU Emacs Lisp does not have them. You can write them in Lisp if
-you wish.
+avoids duplicate elements) and @code{intersection} for set operations.
+Although standard GNU Emacs Lisp does not have them, the @file{cl}
+library provides versions. @inforef{Top, Overview, cl}.
@end quotation
@defun memq object list
(ring-remove fifo)))
@result{} (0 t one t "two")
@end lisp
-
-@ignore
- arch-tag: 31fb8a4e-4aa8-4a74-a206-aa00451394d4
-@end ignore