XML Namespace URI with HTTPS?

The URI is the namespace name, which identifies the namespace.

While, in case of some URI schemes (like http, https, ftp etc.), it would be possible to provide the schema (or other related information), this is “not a goal”:

It is not a goal that it be directly usable for retrieval of a schema (if any exists).

(Most URI schemes wouldn’t allow this to begin with, e.g., urn, tag, jabber etc.)

You should specify the URI exactly as documented, as this is what consumers expect and look for (most consumers probably never try to actually retrieve the URI), and XML Names 1.0 is pretty strict about comparing URIs.

All these would be different namespace names, even if they would resolve to the same Web document:

http://www.springframework.org/schema/security
http://www.Springframework.org/schema/security
httP://www.springframework.org/schema/security
http://www.springframework.org/schema/Security
https://www.springframework.org/schema/security
https://www.springframework.ORG/schema/security

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