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[Emacs-diffs] Changes to emacs/doc/lispref/strings.texi,v
From: |
Richard M. Stallman |
Subject: |
[Emacs-diffs] Changes to emacs/doc/lispref/strings.texi,v |
Date: |
Wed, 31 Oct 2007 04:08:08 +0000 |
CVSROOT: /cvsroot/emacs
Module name: emacs
Changes by: Richard M. Stallman <rms> 07/10/31 04:08:08
Index: strings.texi
===================================================================
RCS file: /cvsroot/emacs/emacs/doc/lispref/strings.texi,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -b -r1.2 -r1.3
--- strings.texi 6 Sep 2007 04:27:40 -0000 1.2
+++ strings.texi 31 Oct 2007 04:08:08 -0000 1.3
@@ -259,7 +259,8 @@
@noindent
The @code{concat} function always constructs a new string that is
-not @code{eq} to any existing string.
+not @code{eq} to any existing string, except when the result is empty
+(since empty strings are canonicalized to save space).
In Emacs versions before 21, when an argument was an integer (not a
sequence of integers), it was converted to a string of digits making up
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