Fix content issues

[Josh-Cena]

Fix #40956, and some other code/link issues

[github-actions]

Preview URLs (6 pages)

• /en-US/docs/Learn_web_development/Core/Structuring_content/Forms_challenge
• /en-US/docs/Learn_web_development/Core/Structuring_content/Marking_up_a_letter
• /en-US/docs/Learn_web_development/Core/Structuring_content/Splash_page
• /en-US/docs/Web/API/FedCM_API/IDP_integration
• /en-US/docs/Web/API/Web_Audio_API
• /en-US/docs/Web/CSS/CSS_cascade/Value_processing

Flaws (3)

Note! 5 documents with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/CSS/CSS_cascade/Value_processing
Title: CSS property value processing
Flaw count: 3

• macros:
  • Macro produces link /en-US/docs/Web/CSS/specificity which is a redirect
  • Macro produces link /en-US/docs/Web/CSS/specificity which is a redirect
  • Macro produces link /en-US/docs/Learn_web_development/Core/Styling_basics/Cool-looking_box which is a redirect

External URLs (17)

URL: /en-US/docs/Learn_web_development/Core/Structuring_content/Splash_page
Title: Challenge: Creepy-crawly splash page

• https://codepen.io/ (1 time) (Note! This may be a new URL 👀)
• https://jsfiddle.net/ (1 time) (Note! This may be a new URL 👀)

---

URL: /en-US/docs/Web/API/Web_Audio_API
Title: Web Audio API

• https://css-tricks.com/form-validation-web-audio/ (1 time)
• https://en.wikipedia.org/wiki/Digital_delay_line (1 time)
• https://en.wikipedia.org/wiki/Infinite_impulse_response (2 times)
• https://github.com/chrisjohndigital/OpenLang (2 times)
• https://github.com/goldfire/howler.js/ (1 time)
• https://github.com/mattlima/mooog (1 time)
• https://html.spec.whatwg.org/multipage/media.html (1 time)
• https://ptsjs.org/ (1 time)
• https://ptsjs.org/guide/sound-0800 (1 time)
• https://tonejs.github.io/ (1 time)
• https://web.dev/articles/webaudio-games (1 time)
• https://web.dev/articles/webaudio-positional-audio (1 time)
• https://webaudio.github.io/web-audio-api/ (1 time)
• https://www.futurelibrary.no/ (1 time)
• https://xsound.jp/ (1 time)

[bsmth]

LGTM, thanks a lot

[estelle]

LGTM

[Thitzawhein11]

LGTM