--- loncom/xml/lonlatextable.pm	2010/08/27 09:42:48	1.2
+++ loncom/xml/lonlatextable.pm	2011/04/13 10:44:26	1.4
@@ -1,6 +1,6 @@
 #  Generating TeX tables.
 #
-# $Id: lonlatextable.pm,v 1.2 2010/08/27 09:42:48 foxr Exp $
+# $Id: lonlatextable.pm,v 1.4 2011/04/13 10:44:26 foxr Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -146,6 +146,8 @@ These produce a horizontal rule that spa
 
 =back
 
+Calling this multiple times will continue to append cell data.
+
 =head3 Example
 
     $table->set_data([ ['Gnu', '92.52'], [], ['Emu', '33.33'] ]);
@@ -157,11 +159,15 @@ Produces
     |   Emu        | 33.33        |
     +--------------+--------------+
 
+
 =cut
 
 sub set_data {
     my ($self, $data) = @_;
-    $self->{'data'}  = $data;
+    my $current_data = $self->{'data'};
+    push (@$current_data, @$data);
+    $self->{'data'} = $current_data;
+
 
 }