418 is defined in HTCPCP, an _extension_ to HTTP. That's why I never understood ... | Hacker News

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nikeee on Oct 29, 2021 | parent | context | favorite | on: Show HN: “HTTP 419 Never Gonna Give You Up” for bo...

418 is defined in HTCPCP, an _extension_ to HTTP. That's why I never understood why people use it in HTTP. So it makes sense that it's only reserved in HTTP.

chrismorgan on Oct 29, 2021 [–]

WebDAV is also an extension to HTTP. Its additional status codes and methods are added to the corresponding registries.

The entire raison d’être of such registries is to include any extensions; if you only cared about the core stuff, you wouldn’t define a registry.

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