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changeset 10783:fc9e07fdf9c2

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display.m: print usage message if nargin != 1
author John W. Eaton <jwe@octave.org>
date Mon, 12 Jul 2010 09:53:28 -0400
parents d1f920d1ce0c
children ca2df6737d6b
files scripts/ChangeLog scripts/general/display.m
diffstat 2 files changed, 10 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-12  John W. Eaton  <jwe@octave.org>
+
+	* general/display.m: Print usage message if nargin != 1.
+	Bug #30421.
+
 2010-07-09  Thorsten Meyer  <thorsten.meyier@gmx.de>
 
 	* general/interp2.m: improve input argument handling and
--- a/scripts/general/display.m
+++ b/scripts/general/display.m
@@ -33,5 +33,9 @@
 ## @end deftypefn
 
 function idx = display (a)
-  error ("display: not defined for class \"%s\"", class(a));
+  if (nargin == 1)
+    error ("display: not defined for class \"%s\"", class(a));
+  else
+    print_usage ();
+  endif
 endfunction