Default namespace documentation seems incorrect

[rooby]

The documentation code snippets for Namespaces with easy mappings and Default namespace with mapping are the same.
I assume the default namespace example should be different in some way?

[rooby]

Scratch that. I see the difference now.

[JLRishe]

@rooby It would be useful to have some text explaining the difference because I agree it's confusing. I'll reopen this so that I can add that. Thanks!

[OnkelTem]

How to use default namespace? For example, I need to query just a regular html