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[Emacs-diffs] Changes to emacs/lispref/lists.texi,v
From: |
Richard M. Stallman |
Subject: |
[Emacs-diffs] Changes to emacs/lispref/lists.texi,v |
Date: |
Mon, 06 Nov 2006 16:12:15 +0000 |
CVSROOT: /cvsroot/emacs
Module name: emacs
Changes by: Richard M. Stallman <rms> 06/11/06 16:12:15
Index: lists.texi
===================================================================
RCS file: /cvsroot/emacs/emacs/lispref/lists.texi,v
retrieving revision 1.65
retrieving revision 1.66
diff -u -b -r1.65 -r1.66
--- lists.texi 22 Oct 2006 22:51:10 -0000 1.65
+++ lists.texi 6 Nov 2006 16:12:15 -0000 1.66
@@ -713,12 +713,14 @@
Two functions modify lists that are the values of variables.
address@hidden add-to-list symbol element &optional append
address@hidden add-to-list symbol element &optional append compare-fn
This function sets the variable @var{symbol} by consing @var{element}
onto the old value, if @var{element} is not already a member of that
value. It returns the resulting list, whether updated or not. The
value of @var{symbol} had better be a list already before the call.
-Membership is tested using @code{equal}.
address@hidden uses @var{compare-fn} to compare @var{element}
+against existing list members; if @var{compare-fn} is @code{nil}, it
+uses @code{equal}.
Normally, if @var{element} is added, it is added to the front of
@var{symbol}, but if the optional argument @var{append} is
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