FW: [External] : Re: Lexical vs. dynamic: small examples?

[Drew Adams]

> So the way it should be done is:
> 
> Put ;;; -*- lexical-binding: t -*- in the beginning of
> the file.
> 
> Use `defvar' and `setq' for global variables that then become
> special/dynamic.
> 
> Use `let' for local variables that then become lexical/static
> (because of `lexical-binding').

Except `let' binds dynamically bound (aka "special")
vars dynamically.  E.g., if you have a (defvar foo)
declaration then a subsequent (let ((foo ...))...)
binds `foo' dynamically.

> And nothing unexpected ever happens, because for the global,
> special/dynamic variables one uses prefixes?

Does one?  Maybe.  But how do you think a
prefix in the name changes something wrt
the kind of binding?

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