Re: defvar inside let-binding

[Stefan Monnier]

> Since `defcustom' seems to be purely Emacs Lisp, and I don't think this
> data is available on the Emacs Lisp level (am I wrong?), perhaps just
> creating a C-level function `symbol-let-bound-p' (or something) would
> allow us to issue the warning, as a first step?
        
Yes.  Tho the "next" step you suggested (to cause defvar to change the
outer let-binding) will require another such function and will make
symbol-let-bound-p unneeded.


        Stefan