Redirect does not accept namespace code
Placing namespace codes inside the redirect code disables the redirect
One of our editors is trying to document Vault Wiki for our author/contirbutors and used the names space codes inside the redirect codes. The resulting redirect is ignored. The redirect is in the same namespace as the target article.
[redirect][main]Redirect to Here[/main][/redirect]
I have not tested this for cross namespaces where it might actually be useful.