Clarify that URLs in the HTTP Link header must be encoded

[benmccann]

Summary

Clarify that URLs in the HTTP Link header must be encoded

Motivation

HTTP headers cannot hold characters that are frequently contained in URLs. Clarify the handling of these URLs - especially since the URLs do not need to be encoded when embedded within the page in a link element

Supporting details

nodejs/undici#1590 (comment)

Related issues

Metadata

• Adds a new document
• Rewrites (or significantly expands) a document
• Fixes a typo, bug, or other error

[teoli2003]

Let's link to the glossary that explains the encoding.

[github-actions]

Preview URLs

• https://pr19166.content.dev.mdn.mozit.cloud/en-US/docs/Web/HTTP/Headers/Link

Flaws

URL: /en-US/docs/Web/HTTP/Headers/Link
Title: Link
on GitHub
Flaw count: 1

• bad_bcd_queries:
  • No BCD data for query: http.headers.Link

External URLs

URL: /en-US/docs/Web/HTTP/Headers/Link
Title: Link
on GitHub

No new external URLs

[teoli2003]

Thanks a lot!

Looks good to me.

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