Stpo using separate notes sections. Works Cited can be rendered from teh field.

bibcite_footnotes.module

@@ -69,7 +69,7 @@ function bibcite_footnotes_preprocess_bibcite_footnote_list(&$variables) {
   $notes = [
     '#theme' => 'item_list',
     '#list_type' => 'ul',
-    '#title' => $variables['note_type'] == ReferenceFootnotesFilter::ENDNOTE ? $config['notes_section_label'] : $config['references_section_label'],
+    '#title' => $variables['note_type'] == $config['notes_section_label'],
     '#attributes' => ['class' => 'footnotes'],
     '#wrapper_attributes' => ['class' => 'container'],
   ];
@@ -91,7 +91,7 @@ function bibcite_footnotes_preprocess_bibcite_footnote_list(&$variables) {
     $build = [];
     $reference_entity_id = $fn['reference'];
 
-    $footnote_link_text = ($dont_show_backlink_text && $reference_entity_id) ? '^' : $fn['value'];
+    $footnote_link_text = ($dont_show_backlink_text) ? '^' : $fn['value'];
     if (!is_array($fn['ref_id'])) {
       $url = Url::fromUserInput('#' . $fn['ref_id'], ['attributes' => ['id' => $fn['fn_id'], 'class' => 'footnote-link']]);
       $link = Link::fromTextAndUrl(($footnote_link_text), $url)->toRenderable();
@@ -126,8 +126,8 @@ function bibcite_footnotes_preprocess_bibcite_footnote_list(&$variables) {
           . '</span>',
       ];
     }
-    else if (!empty($fn['text']) && $variables['note_type'] == ReferenceFootnotesFilter::ENDNOTE) {
+    else if (!empty($fn['text'])) {
-      $build['footnote-link'] = Link::fromTextAndUrl($fn['value'], $url)->toRenderable();
+      $build['footnote-link'] = Link::fromTextAndUrl($footnote_link_text, $url)->toRenderable();
       $build['footnote-text'] = [
         '#type' => 'markup',
         '#markup' => ' <span class="endnote-text">' . $fn['text'] . '</span>',
@@ -194,7 +194,8 @@ function bibcite_footnotes_preprocess_bibcite_footnote_link(&$variables) {
   $citation_data = $citation_tools->getRenderableReference($citation_entity_id);
 
   // Citation contains a page reference, so construct parenthetical footnote.
-  if (!empty($fn['page'])) {
+  // @TODO: Make it explicit.
+  if (!empty($fn['page'] && !is_numeric($fn['value']))) {
     $fn['value'] = "({$fn['value']}, {$fn['page']})";
     $citation_data['#data']['page'] = $fn['page'];
     $class .= '-inline';
@@ -202,13 +203,9 @@ function bibcite_footnotes_preprocess_bibcite_footnote_link(&$variables) {
 
   $title = trim(strip_tags(render($citation_data)));
   $url = Url::fromUserInput('#' . $fn['fn_id'], ['attributes' => ['id' => $fn['ref_id'], 'class' => $class, 'title' => $title]]);
+  
 
-// We need to delete the cached markup to render it in a different mode.
+  $link = Link::fromTextAndUrl($fn['value'], $url)->toRenderable();
-  unset($citation_data['#markup']);
-  unset($citation_data['#children']);
-
-  $citation_data['#data']['mode'] = 'citation';
-  $link = Link::fromTextAndUrl(render($citation_data), $url)->toRenderable();
   unset($variables['fn']['fn']);
   $variables['fn']['fn'] = $link;
 //  $variables['fn']['fn'][] = $link;

src/Plugin/Filter/ReferenceFootnotesFilter.php

@@ -145,8 +145,6 @@ class ReferenceFootnotesFilter extends FootnotesFilter {
 
       if (count($store_matches) > 0) {
         // Separate out endontes and reference notes.
-        $notes = $this->extractNotesByType(self::ENDNOTE, $store_matches);
-        $references = $this->extractNotesByType(self::REFERENCE, $store_matches);
 
         if ($this->settings['footnotes_ibid']) {
           $this->ibidemify($references);
@@ -155,19 +153,10 @@ class ReferenceFootnotesFilter extends FootnotesFilter {
         // themed as a list
         $markup = [
           '#theme' => 'bibcite_footnote_list',
-          '#notes' => $notes,
+          '#notes' => $store_matches,
-          '#note_type' => self::ENDNOTE,
           '#config' => $this->settings,
         ];
         $str = \Drupal::service('renderer')->render($markup, FALSE);
-
-        $markup = [
-          '#theme' => 'bibcite_footnote_list',
-          '#notes' => $references,
-          '#note_type' => self::REFERENCE,
-          '#config' => $this->settings,
-        ];
-        $str .= \Drupal::service('renderer')->render($markup, FALSE);
       }
       // Reset the static variables so they can be used again next time.
       $n = 0;