RE: [External] : Re: How do I pass a variable defined in a wrapping let, to a lambda?

[Drew Adams]

> > `-*- lexical-binding:t -*-` doesn't prevent the use of 
> > dynamic scoping.
> 
> How do I define a function that uses dynamic binding in a 
> file that has `-*- lexical-binding:t -*-`?

A _function_ that uses it?  Just what do you mean by that?

Function names are (typically) bound dynamically, with defun.
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For a variable, you use a vacuous defvar:

(defvar foo) ; "special" var, i.e. dynamically bound