fix: bad MD034 escaping

[nschonni]

Caught by @DavidAnson in the smoke tests for the next Markdownlint release

[github-actions]

Preview URLs

• /en-US/docs/MDN/Community/Pull_requests
• /en-US/docs/Web/API/CSS_Painting_API/Guide
• /en-US/docs/Web/API/CustomElementRegistry/whenDefined

Flaws (2)

Note! 1 document with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/API/CSS_Painting_API/Guide
Title: Using the CSS Painting API
Flaw count: 1

• macros:
  • /en-US/docs/Web/CSS/image/paint() redirects to /en-US/docs/Web/CSS/image/paint

---

URL: /en-US/docs/MDN/Community/Pull_requests
Title: Pull request guidelines
Flaw count: 1

• broken_links:
  • Anchor not lowercase

External URLs (4)

URL: /en-US/docs/Web/API/CSS_Painting_API/Guide
Title: Using the CSS Painting API

• https://drafts.css-houdini.org/css-paint-api-1/ (1 time) (Note! This may be a new URL 👀)

---

URL: /en-US/docs/Web/API/CustomElementRegistry/whenDefined
Title: CustomElementRegistry.whenDefined()

• https://html.spec.whatwg.org/multipage/custom-elements.html (1 time) (Note! This may be a new URL 👀)

---

URL: /en-US/docs/MDN/Community/Pull_requests
Title: Pull request guidelines

• https://chat.mozilla.org/ (2 times) (Note! This may be a new URL 👀)
• https://discourse.mozilla.org/c/mdn/236 (1 time) (Note! This may be a new URL 👀)