Is any part of the data type declaration case-sensitive?

I'm having problems on one of my wikis, where using

[[has Type::Number]]

or variations still causes numbers to show links to internal pages (which don't exist). Is "has", "type", or "number" case-sensitive?

Feuertier (talk)

See [0].

[0] https://github.com/SemanticMediaWiki/SemanticMediaWiki/pull/673

James Hong Kong (talk)