Fix list block style interferences

Should have done that the first time.

includes/functions/_wordpress_mods.php

@@ -1187,4 +1187,45 @@ function fictioneer_prevent_track_and_ping_updates( $data ) {
 }
 add_filter( 'wp_insert_post_data', 'fictioneer_prevent_track_and_ping_updates', 1 );
 
+// =============================================================================
+// ADD CLASSES TO BLOCKS
+// =============================================================================
+
+/**
+ * Add default class to list blocks
+ *
+ * @since 5.12.0
+ *
+ * @param string $block_content  HTML content of the block being rendered.
+ * @param array  $block          The full block array.
+ *
+ * @return string The modified block content.
+ */
+
+function fictioneer_add_class_to_list_blocks( $block_content, $block ) {
+  if ( $block['blockName'] === 'core/list' ) {
+    $pattern = '/<(ul|ol)([^>]*)>/i';
+
+    $block_content = preg_replace_callback( $pattern, function ( $matches ) {
+      $current_attributes = $matches[2];
+      $new_class = 'block-list';
+
+      if ( strpos( $current_attributes, 'class="' ) !== false ) {
+        $modified_tag = preg_replace(
+          '/class="([^"]*)"/i',
+          'class="$1 ' . $new_class . '"',
+          $current_attributes
+        );
+      } else {
+        $modified_tag = $current_attributes . ' class="' . $new_class . '"';
+      }
+
+      return '<' . $matches[1] . $modified_tag . '>';
+    }, $block_content );
+  }
+
+  return $block_content;
+}
+add_filter( 'render_block', 'fictioneer_add_class_to_list_blocks', 10, 2 );
+
 ?>

src/scss/common/_formatting.scss

@@ -223,7 +223,7 @@ p a,
 }
 
 .content-section {
-  :where(.list, :is(ul, ol):not(.chapter-group__list, .grid-columns, .card__link-list, .profile__admin-notes)) {
+  :where(.list, .block-list) {
     list-style: initial;
     padding-left: 1.75rem;
     margin: 1.5rem 0 0;
@@ -243,21 +243,21 @@ p a,
     }
   }
 
-  :where(.list, ul:not(.chapter-group__list, .grid-columns, .card__link-list, .profile__admin-notes)) {
+  :where(.list, ul.block-list) {
     li::marker {
       color: var(--list-marker-color, var(--fg-700)); // Done
     }
   }
 
-  :where(ul, .list) > li > ul:not(.chapter-group__list, .grid-columns, .card__link-list, .profile__admin-notes) {
+  :where(ul, .list) > li > ul.block-list {
     list-style: circle;
   }
 
-  :where(ul, .list) > li > ul > li > ul:not(.chapter-group__list, .grid-columns, .card__link-list, .profile__admin-notes) {
+  :where(ul, .list) > li > ul > li > ul.block-list {
     list-style: square;
   }
 
-  :where(.list, ol:not(.chapter-group__list, .grid-columns, .card__link-list, .profile__admin-notes)) {
+  :where(.list, ol.block-list) {
     list-style: ordered-list;
   }
 }