} else {
            redirect($workshopplus->excompare_url($example->id, $assessment->id));
        }
    } else {
        // either it is not possible to calculate the $rawgrade
        // or the reviewer has chosen "Save and continue"
        redirect($PAGE->url);
    }
}
// output starts here
$output = $PAGE->get_renderer('mod_workshopplus');
// workshopplus renderer
echo $output->header();
echo $output->heading(format_string($workshopplus->name));
echo $output->heading(get_string('assessedexample', 'workshopplus'), 3);
$example = $workshopplus->get_example_by_id($example->id);
// reload so can be passed to the renderer
echo $output->render($workshopplus->prepare_example_submission($example));
// show instructions for assessing as thay may contain important information
// for evaluating the assessment
if (trim($workshopplus->instructreviewers)) {
    $instructions = file_rewrite_pluginfile_urls($workshopplus->instructreviewers, 'pluginfile.php', $PAGE->context->id, 'mod_workshopplus', 'instructreviewers', 0, workshopplus::instruction_editors_options($PAGE->context));
    print_collapsible_region_start('', 'workshopplus-viewlet-instructreviewers', get_string('instructreviewers', 'workshopplus'));
    echo $output->box(format_text($instructions, $workshopplus->instructreviewersformat, array('overflowdiv' => true)), array('generalbox', 'instructions'));
    print_collapsible_region_end();
}
// extend the current assessment record with user details
$assessment = $workshopplus->get_assessment_by_id($assessment->id);
if ($canmanage and $assessment->weight == 1) {
    $options = array('showreviewer' => false, 'showauthor' => false, 'showform' => true);
    $assessment = $workshopplus->prepare_example_reference_assessment($assessment, $mform, $options);