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> Are you asking if a language can have both lexically scoped and
> dynamically scoped variables at the same time?  Yes, this is true, but
> a language that allows some dynamic variables is not considered to be
> static or lexically scoped.

I don't buy this.  I'm thinking of Oaklisp, which had fluid-let and (fluid
variablename) locatives.  Does Oaklisp lose its lexical-scoping-nature
because of the fluid stuff, which is clearly an add-on after the fact?  (I
believe it was implemented in terms of dynamic-wind.)