Re: byte-optimize-set causes spurious byte compiler warnings

[Stefan Monnier]

> This recent change:
> 
> ,----
> | 2003-03-25  Stefan Monnier  <address@hidden>
> | 
> |     * emacs-lisp/byte-opt.el (byte-optimize-set): New.
> |     Turn `set' into `setq' when applicable.
> `----
> 
> causes spurious byte compiler warnings:

I wouldn't call them "spurious" but "additional".

>   gnus-art.el:3549:4:Warning: assignment to free variable tool-bar-map
> 
> for code like this:
> 
>   (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)

The code needs a (defvar tool-bar-map) to declare that
tool-bar-map is an externally defined variable.


        Stefan