[Emacs-diffs] Changes to emacs/doc/lispref/strings.texi,v

[Richard M. Stallman]

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