--- loncom/interface/lonhtmlcommon.pm 2010/05/30 12:47:05 1.272 +++ loncom/interface/lonhtmlcommon.pm 2010/05/30 18:30:52 1.273 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.272 2010/05/30 12:47:05 droeschl Exp $ +# $Id: lonhtmlcommon.pm,v 1.273 2010/05/30 18:30:52 droeschl Exp $ # # Copyright Michigan State University Board of Trustees # @@ -2392,6 +2392,7 @@ returns: XHTML list as String. # \@items, {listattr => { class => 'abc', id => 'xyx' }, itemattr => {class => 'abc', id => 'xyx'}} sub list_from_array { my ($items, $args) = @_; + return unless scalar @$items; my ($ul, $li) = inittags( qw(ul li) ); my $listitems = join '', map { $li->($_, $args->{itemattr}) } @$items; return $ul->( $listitems, $args->{listattr} );