[R6RS] response to formal comment #51

[Anton van Straaten]

Will wrote:
> The only reason I do not approve of the current response
> to formal comment #51 is that it fails to say that the
> appendix or other auxiliary location will be non-normative.

I've changed the wording of point 2, which now begins:

"2. A section specifying Scheme scripts will be added in a
non-normative appendix, that will include the following:"

Anton