chore(http): Delete "Digest" and "Want-Digest", improve digest pages

[bsmth]

Description

This PR removes the Digest and Want-Digest pages which are deprecated. They are also confusing, given the pages are mixed in with newer alternatives. I'm proposing we redirect to content-related digest headers.

Deletions:

• Digest header, redirected to Content-Digest
• Want-Digest header, redirected to Want-Content-Digest

Changes:

• Language in Repr-Digest and Content-Digest pages for clarity
• spec_urls front matter should be spec-urls

Additions:

• Some more examples in Content-Digest based on specs

Motivation

The remaining pages were touched recently, but I think there's room for improvement in the language used so that it's easier to understand when/why to use Repr-Digest instead of Content-Digest.

Related issues and pull requests

• chore(http): Refresh some headers pages (~a-c) #36038
• chore(http): Refresh headers r-s #36590

[github-actions]

Preview URLs (7 pages)

• /en-US/docs/Glossary/Quality_values
• /en-US/docs/Glossary/Representation_header
• /en-US/docs/MDN/Writing_guidelines/Page_structures/Macros/Commonly_used_macros
• /en-US/docs/MDN/Writing_guidelines/Page_structures/Page_types/ARIA_Page_Template
• /en-US/docs/Web/HTTP/Headers/Content-Digest
• /en-US/docs/Web/HTTP/Headers/Repr-Digest
• /en-US/docs/Web/HTTP/Headers

External URLs (16)

URL: /en-US/docs/Glossary/Representation_header
Title: Representation header

• https://httpwg.org/specs/rfc9110.html (1 time) (Note! This may be a new URL 👀)

---

URL: /en-US/docs/Web/HTTP/Headers
Title: HTTP headers

• https://datatracker.ietf.org/doc/html/rfc4229 (1 time)
• https://datatracker.ietf.org/doc/html/rfc6648 (1 time)
• https://developers.google.com/search/docs/crawling-indexing/robots-meta-tag (1 time)
• https://en.wikipedia.org/wiki/List_of_HTTP_header_fields (1 time)
• https://firefox-source-docs.mozilla.org/devtools-user/debugger/how_to/use_a_source_map/index.html (1 time)
• https://github.com/protocol-registries/http-fields?tab=readme-ov-file (1 time)
• https://httpwg.org/specs/ (1 time)
• https://tc39.es/ecma262/ (1 time)
• https://w3c.github.io/ServiceWorker/ (1 time)
• https://wicg.github.io/webpackage/draft-yasskin-http-origin-signed-responses.html (3 times)
• https://www.adobe.com/devnet-docs/acrobatetk/tools/AppSec/CrossDomain_PolicyFile_Specification.pdf (1 time)
• https://www.iana.org/assignments/http-fields/http-fields.xhtml (2 times)

---

URL: /en-US/docs/Web/HTTP/Headers/Repr-Digest
Title: Repr-Digest

• https://developer.ebay.com/develop/guides/digital-signatures-for-apis (1 time) (Note! This may be a new URL 👀)

---

URL: /en-US/docs/Web/HTTP/Headers/Content-Digest
Title: Content-Digest

• https://developer.ebay.com/develop/guides/digital-signatures-for-apis (1 time) (Note! This may be a new URL 👀)
• https://www.rfc-editor.org/rfc/rfc8941 (1 time) (Note! This may be a new URL 👀)

(comment last updated: 2024-11-25 09:00:39)

[hamishwillee]

Looks pretty good. Was tempted to merge, but perhaps worth leaving open for you to see if you want to address any of the comments.

[hamishwillee]

@bsmth Looks great, except perhaps for suggestion in #36879 (comment)

Approving so you can merge once that's had a look