--- loncom/xml/lonplot.pm	2002/01/02 14:33:50	1.30
+++ loncom/xml/lonplot.pm	2002/01/03 22:09:49	1.31
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.30 2002/01/02 14:33:50 matthew Exp $
+# $Id: lonplot.pm,v 1.31 2002/01/03 22:09:49 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -26,7 +26,9 @@
 # http://www.lon-capa.org/
 #
 # 12/15/01 Matthew
-# 12/17 12/18 12/19 12/20 12/21 12/27 12/28 12/30 Matthew
+# 12/17 12/18 12/19 12/20 12/21 12/27 12/28 12/30 12/31 Matthew
+# 01/01/02 Matthew
+# 01/02 01/03 Matthew
 package Apache::lonplot;
 
 use strict;
@@ -466,6 +468,7 @@ sub start_label {
 	&get_attributes(\%label,\%label_defaults,$parstack,$safeeval,
 		    $tagstack->[-1]);
 	$label{'text'} = &Apache::lonxml::get_all_text("/label",$$parser[-1]);
+	$label{'text'} =~ s/[\-\:\`\'\"\,\.]//g;
 	if (! &$words_test($label{'text'})) {
 	    # I should probably warn about it, too.
 	    $label{'text'} = 'Illegal text';