EDIT

    if ($page_part == 'all') {

      $synonymy_html .= '<h2>' . t(cdm_taxonpage_tab_label('Synonymy')) . '</h2>';

    }

    $synonym_a = compose_cdm_taxon_page_synonymy($taxon, $addAcceptedTaxon);

    $synonymy_html .= drupal_render($synonym_a);

  // set up the TOC for the pages which contain all pageparts

  if($page_part == 'all') {

    asort($taxontabs_weights);

    foreach(array_keys($taxontabs_weights) as $tab_key){

      if(isset($render_array[$tab_key])){

        '#suffix' => '</div>',

        '#prefix'=> '<div id="page-toc">'

    );

  }

  if($add_synonymy){

    $synonymy_a = compose_cdm_taxon_page_synonymy($taxon, true);

    $synonymy_a['#weight'] = -102;

    $render_array['synonymy'] = $synonymy_a;

  }

  define('SEARCH_RESULTS_SHOW_THUMBNAIL_CHECKBOX_DEFAULT', 1);

  define('SEARCH_RESULTS_SHOW_THUMBNAIL_CHECKBOX', 'search_results_show_thumbnail_checkbox');

  define('CDM_DATAPORTAL_COMPRESSED_SPECIMEN_DERIVATE_TABLE', 0);

  define('CDM_DATAPORTAL_COMPRESSED_SPECIMEN_DERIVATE_TABLE_PAGE_SIZE', 50);

  define('CDM_DATAPORTAL_COMPRESSED_SPECIMEN_DERIVATE_TABLE_SHOW_DETERMINED_AS', 0);

  $form['taxon_synonymy']['cdm_dataportal_nomref_in_title'] = array(

    '#type' => 'checkbox',

    '#title' => t('Accepted taxon on top of the synonymy'),

    '#description' => t('If checked, the first homotypic taxon is a repetition

      of the accepted taxon most likely with the full nomenclatural reference, 

      depending on the ' . l('Name render templates', 'admin/config/cdm_dataportal/settings/layout') . '.'),

    '#description' => t('You may want to remove the <code>"secReferencePart": true,</code> entry from <code>"accepted_taxon.taxon_page_synonymy"{</code> the in the '

      . l('Name render templates', 'admin/config/cdm_dataportal/settings/layout')

      . ' (Only applicable when the "Show accepted taxon on top of the synonymy" option above is enabled.)'),

  );

  $form['taxon_synonymy'][CDM_SYNONYMY_ACCEPTED_TAXON_SEC_SEPARATE_LABEL] = array(