# HG changeset patch
# User jwe
# Date 1143150370 0
# Node ID 24f6a13878c217084ac9b97c80143f79353e354d
# Parent  6cb607fcf41c25ceee10a82d91ed3734e1ef0532
[project @ 2006-03-23 21:46:09 by jwe]

diff --git a/src/ChangeLog b/src/ChangeLog
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2005-10-25  David Bateman  <dbateman@free.fr>
+
+        * data.cc (do_cat): With 1 arg, return [](0x0) for compatibility.
+
 2006-03-23  John W. Eaton  <jwe@octave.org>
 
 	* version.h (OCTAVE_VERSION): Now 2.9.5+.
diff --git a/src/data.cc b/src/data.cc
--- a/src/data.cc
+++ b/src/data.cc
@@ -689,8 +689,10 @@
 
   int n_args = args.length (); 
 
-  if (n_args == 2)
-      retval = args(1);
+  if (n_args == 1)
+    retval = Matrix ();
+  else if (n_args == 2)
+    retval = args(1);
   else if (n_args > 2)
     {
       octave_idx_type dim = args(0).int_value () - 1;