Hi, 

Just getting to the bottom of my Net:HTTP problems,
and browsing through the ruby source.

I notice that the Net Module declares @@newimpl for
backward compatability.

However, in several places (such as the HTTP.get
method) @newimpl is referred to.

I know that @@ signified a class variable, and that @
signifies an instance variable.

Can class variables be called freely as instance
variables, or is there a significant difference when
declaring a class variable as an instance variable?

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