fix(lint): add MDN urls for features with @@ prefix

api/CSSFontFeatureValuesMap.json

@@ -386,6 +386,7 @@
       },
       "@@iterator": {
         "__compat": {
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSFontFeatureValuesMap/Symbol.iterator",
           "spec_url": "https://drafts.csswg.org/css-fonts/#cssfontfeaturevaluesmap",
           "tags": [
             "web-features:font-variant-alternates"

utils/mdn-content-inventory.js

@@ -13,6 +13,22 @@ const slugs = (() => {
   return result;
 })();
 
+/**
+ * Returns true if the slug tail and path tail are related enough to link.
+ * Strips leading `@@` from path tail to handle well-known symbol names
+ * (e.g. `@@dispose` matches `Symbol.dispose`).
+ * @param {string} slugTail Last segment of an MDN slug
+ * @param {string | undefined} pathTail Last segment of a BCD path
+ * @returns {boolean} Whether the tails are related
+ */
+export const tailsMatch = (slugTail, pathTail) => {
+  if (!pathTail) {
+    return false;
+  }
+  const normalized = pathTail.replace(/^@@/, '');
+  return slugTail.includes(normalized) || normalized.includes(slugTail);
+};
+
 /** @type {Map<string, string>} BCD path → MDN slug (only unambiguous mappings) */
 const slugByPath = (() => {
   /** @type {Map<string, string[]>} */
@@ -31,7 +47,7 @@ const slugByPath = (() => {
       const slugTail = slug.split('/').at(-1);
       const pathTail = path.split('.').at(-1);
 
-      if (!slugTail.includes(pathTail) && !pathTail?.includes(slugTail)) {
+      if (!tailsMatch(slugTail, pathTail)) {
         // Ignore unrelated pages/features.
         continue;
       }

utils/mdn-content-inventory.test.js

@@ -0,0 +1,36 @@
+/* This file is a part of @mdn/browser-compat-data
+ * See LICENSE file for more information. */
+
+import assert from 'node:assert/strict';
+
+import { tailsMatch } from './mdn-content-inventory.js';
+
+describe('tailsMatch()', () => {
+  it('matches identical tails', () => {
+    assert.ok(tailsMatch('abort', 'abort'));
+  });
+
+  it('matches when slug tail contains path tail', () => {
+    assert.ok(tailsMatch('Symbol.dispose', 'dispose'));
+  });
+
+  it('matches when path tail contains slug tail', () => {
+    assert.ok(tailsMatch('bar', 'foobar'));
+  });
+
+  it('matches @@symbol path tail against Symbol.* slug tail', () => {
+    assert.ok(tailsMatch('Symbol.dispose', '@@dispose'));
+    assert.ok(tailsMatch('Symbol.iterator', '@@iterator'));
+    assert.ok(tailsMatch('Symbol.asyncIterator', '@@asyncIterator'));
+    assert.ok(tailsMatch('Symbol.toPrimitive', '@@toPrimitive'));
+  });
+
+  it('does not match unrelated tails', () => {
+    assert.ok(!tailsMatch('Symbol.dispose', 'foo'));
+    assert.ok(!tailsMatch('abort', 'fetch'));
+  });
+
+  it('does not match when path tail is undefined', () => {
+    assert.ok(!tailsMatch('abort', undefined));
+  });
+});