diff --git a/spec b/spec
index 0e05cc39..2e578175 160000
--- a/spec
+++ b/spec
@@ -1 +1 @@
-Subproject commit 0e05cc39ac23da65712d82a0decc1c6084d7647a
+Subproject commit 2e57817571a77e3fc8d397fa563d77f6719b111e
diff --git a/test/corpus.test.ts b/test/corpus.test.ts
index 008ce78d..34885bbd 100644
--- a/test/corpus.test.ts
+++ b/test/corpus.test.ts
@@ -77,23 +77,11 @@ const IMPLEMENTED = new Set([
 ])
 
 /**
- * Sub-examples in IMPLEMENTED categories that are temporarily skipped.
- *
- * These heading fixtures still show the pre-§13 bare `<h* id="…">` shape.
- * The renderer now emits the `<section id="…"><h*>…</h*></section>`
- * wrapping (grammar PART 9 §13), so the impl is AHEAD of the vendored
- * spec corpus. Re-add each entry once the carve repo re-vendors carve-lib
- * and rewrites these fixtures to the section-wrapped shape, then bumps the
- * spec submodule here. Same coordination pattern as the ASCII-slug change.
+ * Sub-examples in IMPLEMENTED categories that are known to fail because
+ * a specific construct is not yet supported. Move out of this set as
+ * implementation lands.
  */
-const KNOWN_GAPS = new Set<string>([
-  '02-headings',
-  '02-headings-2',
-  '02-headings-3',
-  '02-headings-4',
-  '17-attributes',
-  '19-heading-ids',
-])
+const KNOWN_GAPS = new Set<string>([])
 
 const baseSlug = (name: string) => name.replace(/-\d+$/, '')