EDIT

  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(