Thanks, Bastien.  Your suggestion has been working perfectly fine for me.  Updated patch sent in reply to the first in the chain (I hope ... still trying to master git send-email).

Trevor

On Sat, May 25, 2013 at 11:52 AM, Bastien <bzg@gnu.org> wrote:
Hi Trevor,

Trevor Murphy <trevor.m.murphy@gmail.com> writes:

> +      (not (eq (org-element-type (org-element-at-point)) 'src-block)))))

I think `org-in-src-block-p', while a bit less reliable, will be
faster, and reliable/fast enough for this use-case.

Let's see what others think/test.

Thanks,

--
 Bastien