Re: unused local variables

[David Kastrup]

"Juanma Barranquero" <address@hidden> writes:

> On Nov 30, 2007 11:34 AM, 山本和彦 Kazu Yamamoto <address@hidden> wrote:
>
>> I'm not sure the point of this example.
>
> The point of the example is (and I'm sure you know it) that dynamic
> variables can be used in ways that are not evident to the
> byte-compiler just by looking at the lexical scope where the dynamic
> variable is used...
>
>> What I want to say is that case-fold-search in the following example
>> is not warned with XEmacs because it is defined with 'defvar'.
>
> So, yes: what you propose is forcing `defvar' for dynamic variables
> used across function boundaries.

I am actually surprised that this is supposedly not already the case:
the (defvar xxx) construct has the sole purpose of silencing the byte
compiler as far as I remember.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum