XSD dated version for PR is 404

Dear,

The spec says

[[

Independent copies of this material are available in an undated (mutable)
version at http://www.w3.org/2009/XMLSchema/XMLSchema.xsd and in a dated
(immutable) version at http://www.w3.org/2012/02/XMLSchema.xsd — the
mutable version will be updated with future revisions of this
specification, and the immutable one will not. [WG note: dated versions
will be created only for public drafts, not for WG-internal drafts.]


]]

But this URI http://www.w3.org/2012/02/XMLSchema.xsd gives 404

Mohamed
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