--- loncom/xml/lonplot.pm	2002/02/28 21:04:10	1.53
+++ loncom/xml/lonplot.pm	2002/03/06 19:55:30	1.55
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.53 2002/02/28 21:04:10 matthew Exp $
+# $Id: lonplot.pm,v 1.55 2002/03/06 19:55:30 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -144,6 +144,8 @@ A <b>gnuplot</b> tag can contain the fol
     <dd> Allows specification of the x and y coordinate 'tics' on the axes.
 This is mostly used to adjust the grid lines when a grid is displayed.
 </dl>
+If you are having trouble with your plot, please read the help
+available on Plot Curve.
 ENDPLOTHELP
 
 my %gnuplot_defaults = 
@@ -450,6 +452,7 @@ sub end_gnuplot {
 	    '_'.time.'_'.$$.int(rand(1000)).'_plot.data';
 	## Write the plot description to the file
 	&write_gnuplot_file($tmpdir,$filename,$target);
+	$filename = &Apache::lonnet::escape($filename);
 	## return image tag for the plot
 	if ($target eq 'web') {
 	    $result .= <<"ENDIMAGE";