# HG changeset patch
# User jwe
# Date 760163442 0
# Node ID d93ab6bf48d7e2e8d981489179d77bebd763aa08
# Parent  2d04965c32fb7e4f640ed687adb70b1c1f987660
[project @ 1994-02-02 04:30:42 by jwe]

diff --git a/src/pt-plot.cc b/src/pt-plot.cc
--- a/src/pt-plot.cc
+++ b/src/pt-plot.cc
@@ -1,7 +1,7 @@
 // tree-plot.cc                                         -*- C++ -*-
 /*
 
-Copyright (C) 1992, 1993 John W. Eaton
+Copyright (C) 1992, 1993, 1994 John W. Eaton
 
 This file is part of Octave.
 
@@ -534,7 +534,7 @@
 
 	      int n = NINT (val);
 
-	      if (n > n_max || n < 1)
+	      if (n < 1 || n_max > 0 && n > n_max)
 		{
 		  ::error ("using: column %d out of range", n); 
 		  return -1;