fix: enhance slugify function to handle markdown links

Author: sy-records

src/core/render/slugify.js

@@ -13,6 +13,7 @@ export function slugify(str) {
   let slug = str
     .trim()
     .normalize('NFC')
+    .replace(/\[([^\]]+)\]\([^)]+\)/g, '$1')
     .replace(/\uFE0F/g, '')
     .replace(/[\p{Emoji_Presentation}\p{Extended_Pictographic}]/gu, '')
     .replace(/[A-Z]+/g, lower)

test/unit/render-util.test.js

@@ -212,5 +212,10 @@ describe('core/render/slugify', () => {
 
     const quoteCleanedSlug = slugify('"The content"');
     expect(quoteCleanedSlug).toBe('the-content');
+
+    const markdownLinkSlug = slugify(
+      '[5.0.0-rc.4](https://github.com/docsifyjs/docsify/compare/v5.0.0-rc.3...v5.0.0-rc.4) (2026-03-11)',
+    );
+    expect(markdownLinkSlug).toBe('_500-rc4-2026-03-11');
   });
 });